Tuesday, January 26, 2010

Cable, DSL, 3G or Satellite Broadband?

If you are looking at wireless internet CCTV for the first time, you may also be faced with the decision of which type of broadband package to go for: DSL, cable, 3G or satellite? This article aims to help you choose.

If you have decided that you want to see your property from wherever you happen to be, by using CCTV over the internet, you may also be faced with trying to choose a broadband package if you don’t already have one. There are so many types of broadband on the market that it is a daunting task, but I am here to give you some information that should make this task easier.
Here are the main types of broadband available to the domestic customer:
  1. DSL Broadband. (The most common form is ADSL.) This is broadband via your existing phone line.
  2. Cable Broadband. This uses the line provided by a cable company.
  3. 3G/Mobile Broadband. The connection is made through the mobile phone network.
  4. Satellite Broadband. This comes through a satellite dish.
Items three and four are really problematic and not recommended for hosting wireless CCTV cameras. Without going too far into the technical details, these types of broadband often block the ports (the specific addresses) through which you connect to the camera from the internet. If you have no choice but to use one of these two options, be prepared for the fact that your wireless CCTV camera may not be viewable from the internet even after a long process of trial and error, reading forums and spending time on the phone to a helpdesk. For this reason alone, this article is going to focus on comparison between the most popular two types of broadband: cable and DSL.

Broadband speeds and packages are changing all the time, but companies always use the download speed as one of the headline selling points. This is unhelpful when it comes to wireless internet CCTV, because the cameras use mostly upload rather than download capacity, as almost all of a camera’s data traffic is made up of images sent up the line. So, when considering broadband for internet CCTV cameras, you need to dig deeply into the broadband provider’s website until you find the upload speed, and believe me, you will need to dig deeply because the upload speed is usually pitifully unimpressive. In home packages and most small business packages, it is often 10 or even 20 times slower than the download speed. In the next section we’re going to look at some of the numbers.

Cable broadband can in theory have a download speed of up to 30Mbps, but most packages offer something between 1 Mbps and 6 Mbps. On the upload side, cable offers between 128Kbps and 1Mbps. DSL comes in at between 2Mbps and 24Mbps on the download side and between 128Kbps and 1Mbps on the upload. Looking at the upload side of the equation which is what we’re interested in for internet CCTV, you can see that there is no difference between the ranges for cable and DSL. However, there will be a big difference in performance from a package with 128Kbps upload speed compared to one offering 1Mbps. Let’s say your camera produces a series of images that, when viewed one after another, appear as video.

If each of these images is 15Kb in size, the broadband upload speed has the following effect on the number of frames per second or fps:
Upload speed 128Kbps: 1fps
Upload speed 1Mbps: 8fps

This really makes a big difference. Viewing streaming images from an internet CCTV camera at 8fps gives a real approximation of movement, whereas 1fps certainly does not. So, whether you choose cable or DSL, be careful to get the best upload speed that you can.

Pricing for cable and DSL packages is very competitive these days, and as with upload speed, there is no clear winner. Suppliers are bundling in all sorts of other services that makes a direct comparison more complicated. All I can say is that it is definitely worth spending an hour on the internet looking at current offers and taking note of reviews, especially bearing in mind that you may have to sign up for as long as 18 months.

Overall then, for internet CCTV I would rule out 3G broadband and satellite broadband unless you have no other choice, and even then it is a gamble. As for the remaining options, either cable or satellite will work well with wireless CCTV cameras, but please get the very fastest upload speed that you can afford.

Friday, January 15, 2010

Advantages of IP-based video surveillance The leap into completely IP-based technology is the best bang for your buck both monetarily and in terms of security by far. Digital surveillance can be done over a LAN network, of course, but TCP/IP transmittal of surveillance makes sense for remote monitoring of multiple locations and for remote recording of data onto back-up servers and hard disks for long-term storage. 
With IP-based video surveillance, you can connect your surveillance camera or cameras to any network or wireless adapter, and you are extremely flexible in your placement of the camera itself. A typical PC-attached video camera, while providing digital picture image quality, still has to be within approximately ten feet of the computer itself. 
Set-up of an IP-based video system is easy -- once you’ve set up an IP address, you’re up and running and it’s extremely stable and reliable. Because this is the technology of the future, it is also upgradeable. You won’t be outgrowing an IP-based video surveillance system any time soon because new developments are based on improving this market. Therefore, you will be able to add on and improve this system for years to come while older, CCTV+DVR hybrids will dead-end and become obsolete. 

Comparing analog and IP-based video surveillance 
A better way to understand the differences between analog and IP-based video surveillance may be to compare the two and how they work: 
Analog or CCTV+DVR video surveillance 
 * Easy to use -- operates like a VCR 
 * Changing cassettes and rewinding regularly means human error frequently interferes with effectiveness 
 * Image quality is poor 
 * Storage tapes wear out over time 
 * Broadcasting images live isn’t practical 
 * Storage is bulky 
 * Uses analog recording, recording in low-grade picture quality and inability to search and track easily   * Adding DVR systems must be done in ‘blocks’ of 16 channels 

IP-based video surveillance 
 * IP-based recording means instant transmittal of images anywhere in the world 
 * Can monitor multiple cameras from one remote location 
 * No decrease in recording quality over time or with repeated replays 
 * Digital picture quality far superior to analog 
 * IP-base recording is highly compressed for easier storage and can be transported over a variety of media 
 * Digital images can be encrypted for security purposes 
 * Updates and add-ons are relatively inexpensive through software packages and Internet computer networking 
 * Adjustable frame rates 
 * Remote or shared viewing may be done over the Internet or a wireless connection 
 * Standard IP video compression techniques are used 
 * IP surveillance cameras may be added individually or in groups according to your needs 

If you’re considering switching to an IP camera security system, consider these 11 points

An analogue camera is a traditional camera used in CCTV systems. It sends video over cable to DVRs. IP cameras are all digital cameras that can send signals over cable to be stored NVR in the network. 

1. Video quality

IP cameras provide overall higher video quality than analogue cameras. They offer more video site ranges, such as a wide or narrow field of view, and better zoom-in capabilities. And because they transmit truly digital signals, they offer far greater video detail, which makes them much better for facial recognition or detecting license plate numbers.

Analogue cameras have overall lower quality than IP cameras, but perform better in low light conditions. Analogue cameras have more limited site ranges and don’t offer the zoom-in clarity of IP cameras. If you zoom in on the analogue images, you’re going to get a grainier, degraded picture.

2. Resolution

Generally, IP cameras provide resolutions 6 to 20 times higher than analogue cameras.

IP cameras offer resolutions that can range from 1.3 megapixels to 5 megapixels (2560 x 1920) of compressed, encoded transmissions.

Analogue cameras are limited to resolutions of the NTSC/PAL standard of 720 x 480 pixels (NTSC)/575 (PAL) or 0.4 megapixels (4CIF).

3. Transmission media

IP cameras also work over twisted-pair and with wireless connections.

Traditional analogue cameras operate over coax cable.

4. PoE capabilities

One of the advantages of IP cameras is that they can be powered over the twisted-pair Ethernet cable, thus eliminating worries over running electrical wire. No dedicated Power Supply also be need.

Older analogue cameras cannot be PoE powered.

5. Wireless

Wireless IP camera network connections can be a very practical solution in areas where it’s too difficult or expensive to run cable. Wireless can also be used in buildings where it’s impractical or impossible to run cable, such as in historical buildings. But Local power supply unit is required to On camera.

Older analogue cameras cannot be Wireless facility.

6. Distance

IP cameras can send digital video 100 metres over twisted-pair Ethernet cable and unlimited distances over IP networks. Because the images are digital, they maintain 100% of their clarity over long distances and when the signal is converted between different formats.

Analogue cameras can send video over coax cable up to 300 metres away over coax cable. But analogue transmissions lose clarity with increased distance and when the signal is converted from one format to another.

7. Ease of installation

IP cameras can accept power, video, audio, PTZ control, and control signals over a single CAT6 cable.

Analogue cameras require more cabling than IP cameras. For instance, they require a separate cable to control the pan, tilt, and zoom functions. If there is audio, another cable is required. One analogue camera may require three separate cables: power, audio, video.

8. Intelligence and manageability

IP cameras offer network intelligence and remote manageability. They can stream images, and different parts of images, to different recipients simultaneously. They can perform additional tasks such as sending a message when they detect motion. Various type Video verification can be added in footage analysis.

Not possible for analogue camera DVR based System.

9. Reliability

IP systems have built-in reliability due to the data encryption and compression. They are as reliable as the network is, although backup systems can be put in place to minimise outages.

Analogue security cameras have been around for more than half a century and have a long history of reliability.

10. Expandability

IP cameras offer more expandability and scalability than analogue cameras because their cabling requirements are less complex. But it is still possible to leverage your existing cabling infrastructure when migrating to IP cameras with the use of converters and extenders.

Analogue cameras is complex outdated technology.

11. Costs

IP camera systems are thought to be more expensive because the cost of the cameras is higher than for analogue cameras, although the price of IP cameras continues to drop. But the overall cost may be less than anticipated due to lower costs for cabling, recording equipment, and labor.

Analogue cameras is obsolete, now a days AHD technology is there in place of older technology. Older camera cannot support any AHD DVR. Yes AHD camera and AHD DVR are low cost then IP Camera.

Note: HikVision, Dahua Network camera and DVR-NVR both are less cyber security policy. Anyone can get video footage in outside of your Network. Both product has BAN from US, UK, Netherland, Australia etc. Both product are Chinese Govt owned company. HQ is in China. 

Please Visit: http://www.gobeyondsecurity.com/profile/ArindamBhadra http://www.gobeyondsecurity.com/group/wcctv http://www.thesecurityspace.ning.com/profile/ArindamBhadra My Community: http://www.orkut.co.in/Main#Community?cmm=97394062

CCTV IP Camera
IP cameras are Closed-circuit television (CCTV) cameras that use Internet Protocol to transmit image data and control signals over a Fast Ethernet link. As such, IP cameras are also commonly referred to as network cameras. IP cameras are primarily used for surveillance in the same manner as analog closed-circuit television. A number of IP cameras are normally deployed together with a digital video recorder (DVR) or a network video recorder (NVR) to form a video surveillance system.
A Network IP Camera is a stand-alone device which allows a user to view live, full motion video from anywhere on a computer network, even over the Internet, using a standard web-browser.
A network camera can be configured to send video over an IP network for live viewing and/or recording either continuously, at scheduled times, on an event or on request from authorized users. Captured images can be streamed as Motion JPEG, MPEG-4 or H.264 video using various networking protocols, or uploaded as individual JPEG images using FTP, e-mail or HTTP (Hypertext Transfer Protocol).

Until very recently, video security and surveillance was accomplished using Closed Circuit Television or CCTV. This technology included analog cameras, coaxial cable and video tape recorders. Video security and surveillance started entering the digital age with the advent of CCD sensors which digitized image capture in the camera. However, transmission was still analog via coax to analog VCR's. The next step was the introduction of Digital Video Recorders (DVR's) connected directly to analog cameras, which made storing, searching and retrieving video much more efficient. PC's were then introduced for display of the images through a modem or network connection to the DVR.

The entire system has now been digitized with the introduction of Network Cameras incorporating onboard processors and web server software. These Network Cameras can be connected directly to existing IP networks, eliminating the need for separate and expensive coaxial cable networks. Images can be viewed and cameras managed from anywhere via a web browser, plus any hard disk on the network can be set up to record the video output.

Another significant technology called Video Servers, allow existing CCTV installations to gain the benefit of Network Video, while protecting investments in analog cameras. Video Servers connect to IP Networks and convert the signal from analog cameras to digital format. Like Network Cameras, Video Servers contain onboard processors and web server software that makes each camera IP addressable. Essentially, Video Servers turn CCTV cameras into IP Network Cameras.
When you’re shopping around for an IP-based video surveillance system, you will need to be particularly cautious about what exactly you’re looking at and what the individual terms mean. How IP-based video surveillance works is open to interpretation as far as some video surveillance and security salespeople are concerned -- not because they are trying to confuse the issues, but because there is no genuine consensus on what the term “IP-based” or related ones such as “networked” or “web-based” means.

In addition to capturing video, Axis network cameras provide event management and intelligent video functionalities such as video motion detection, audio detection, active tampering alarm and auto-tracking. Most network cameras also offer input/output (I/O) ports that enable connections to external devices such as sensors and relays. Other features may include audio capabilities and built-in support for Power over Ethernet (PoE). Axis network cameras also support advanced security and network management features.

If you are considering a network-based IP CCTV solution, we are able to offer the following three levels of service through our specialist IP CCTV Partner company:

1. Simply sales and supply of selected 'Best of Breed' IP CCTV hardware and software. You will be able to see the equipment and software solutions on the web, check the specifications, read the reviews and buy online. Our Partner offers Free Delivery, a Price Match Promise, and a 14-day 'Buy & Try' Scheme, so you can rest assured with these rock solid offers that you can select and prove your new IP CCTV solution in total confidence.
2. Expert professional advice and guidance; based upon years of CCTV design & application experience, our specialist IP CCTV Partner will discuss your application with you by phone or email and develop the optimum IP CCTV solution to meet your Operational Requirement. You can then revert to option 1 above and progress to build your solution in-house by purchasing IP CCTV components and software online OR you may opt to choose option 3 below and progress to have us manage a fully turnkey solution (including installation) for you.
3. Complete design service. Our Partner company will take a full brief from you, visit your site to fully understand your Operational Requirements and produce a professional specification which will be submited to three proven installation companies. Each company will then submit a tender directly to you. In the majority of cases this service is free of charge.

Friday, December 25, 2009

Mobile & Remote Video Surveillance Camera Systems

Customers often ask how to access a live view of their remote security cameras when they’re away from their home or business. After all, people lead busy lives, come in and out of work, go on vacations, and run errands so investing in a remote video surveillance system is crucial to the well-being and safety of your home or business. Thus, much of the time you’re not actually able to be onsite where your cameras are installed. One of the primary benefits of IP video is that you’re not limited to viewing your remote video surveillance system on site. The advancements in video surveillance technology have made it possible to view your remote security camera from any internet-enabled PC or smartphone. VideoSurveillance.com has outlined the key components of remote security camera system and video surveillance app, everything you need to know in order to start viewing your security cameras off-site.
What is Remote Video Surveillance?
Remote video surveillance enables users to view live video on a PC or laptop from just about anywhere in the world with internet access. To facilitate remote viewing, you simply type in the IP address of your network security camera in your internet browser like you would a website. This is done through DDNS and port-forwarding, which is discussed in greater detail further below. Once you’ve configured DDNS and port-forwarding and have obtained an IP address to view online, you can then begin to experience what it’s like to view your security camera system from a remote location. Remote security cameras are typically compatible with a wide range of web browsers. It is worth noting that specific web browser support varies by manufacturer.
What is Mobile Monitoring?
Remote mobile video surveillance takes remote monitoring to a whole new level. Several IP camera manufacturers offer complimentary mobile surveillance apps that give you the ability to view and manage your security cameras from a smartphone or tablet such as the iPhone, iPad, or Android. Many of these security camera apps allow you to view multiple cameras simultaneously, control PTZ settings, view recorded images, search through archived footage, play back events, and much more. Just like you would view your security camera(s) on a remote PC/laptop, you will need to have an internet data plan and IP address to do so. Remote video surveillance is perfect for users who are often off-site, and therefore not able to be on the local computer system where their IP cameras are connected.
What’s the Difference between Remote and Mobile Video Surveillance?
The common denominator of remote monitoring and a security camera app is online viewing. The main differences between the two are usability features. Remote monitoring tends to give you greater control over your camera system when it comes to managing settings and recording video. If you’re checking up on your business cameras from your home or hotel on a PC or Mac, you usually have a more reliable and secure internet connection.
A mobile security camera app requires a smartphone data plan, and may lose connection from time to time in no-coverage zones. It’s also a matter of personal preference – if you use the internet primarily on your smartphone, then mobile surveillance may be the right choice for you.
How can Remote Video Surveillance and Mobile Monitoring Help You?
Remote security camera monitoring and mobile surveillance do not require you to be “on location” in order to view and manage each of your security cameras. You’re not limited to monitoring just one camera remotely; most video surveillance apps provide simultaneous viewing and multi-site options so you can check up on all of your remote security cameras in your business or home. Monitoring off-site is also extremely convenient for users as it gives them the freedom to come and go as they please without having to worry about their property. For example, mobile and remote monitoring is great to have when you’re on vacation. If you’ve got two or three IP cameras installed at your home, and decide to take a trip somewhere, you can still monitor your property and receive email notifications if your cameras detect motion or tampering. Essentially, remote video surveillance makes it so you don’t have to be at the exact location of your security cameras to keep a watchful eye on your property. In addition, remote monitoring works wonderfully with pet cams, nanny cams, and pool cams. You’re not limited to what you can view. Surveillance on the go has never been easier.
Features
View Live Stream - Real-time video display is a primary selling point for remote and mobile monitoring. Having direct access to your live camera feed gives you the power to monitor your property without actually being there.

View NVR Live Stream - Some NVR manufacturers offer remote web interfaces and video surveillance apps that provide remote access to your IP camera system. These Internet-based platforms give you instant access to live camera displays and recorded video footage that work on PCs, and some smartphones. You simply log on to the NVR’s web interface or app to facilitate real-time monitoring.

View Recorded Video from your camera/NVR - Another benefit of remote monitoring and mobile surveillance is with some mobile apps and NVR web interfaces, you can view recorded video. This is especially helpful when you’re on vacation; you can review recorded video and decide if it’s relevant or not, or notify law enforcement if you come across something suspicious that was captured on video.

Images are sent to your phone, on motion or schedule - You can configure your IP camera so that images are sent directly to your email account or smartphone via message MMS if motion, tampering, or vandalism is detected. Images can also be sent on a schedule to keep you abreast of what your video monitors.

Send images to email account - With video management software, you can configure your security cameras to send email alerts to your smartphone, iphone or email account for evidentiary purposes and as a way to archive footage deemed important.

Administer VS System remotely - You can do a lot more with mobile and remote monitoring than just viewing live video. A number of IP camera and NVR brands offer web interfaces and cloud services that can be accessed from remote locations. These online platforms allow you to control the settings and configure your IP camera system like you would onsite.
How Do You View Your Video Surveillance Cameras Remotely?
In order to monitor your video surveillance cameras from a remote device like a PC or smartphone, you will typically need to set up DDNS and port forwarding.
DDNS - With video management software, you can configure your security cameras to send email alerts to your smartphone, iphone or email account for evidentiary purposes and as a way to archive footage deemed important.

Port-Forwarding - When you purchase your IP camera system, you’re at first limited to viewing your cameras locally, meaning you can only access them in a local area network. To view your cameras remotely, you must configure port-forwarding. Port-forwarding sends network ports used by your IP camera(s) onto the World Wide Web so that you can monitor your cameras remotely. Network ports are typically forwarded through your network’s router, which tech support specialist at VideoSurveillance.com can help you with. Port-forwarding can only be set up by obtaining the IP address of your router that connects to your video surveillance cameras. It should be noted your IP cameras and NVRs are still secure when accessed via the Internet because of password protection.

Special Plug-and-Play Solutions - Some NVR manufacturers such as Smartvue offer online cloud services that allow you to access your video surveillance system from a remote location by simply logging into your cloud account. Once logged in, you can view your live video feed, manage settings, and search recorded video as needed.

Conclusion

What makes remote video surveillance and mobile monitoring so favorable is that they both fit within your busy schedule. Remote monitoring and mobile surveillance give you on-the-go, real-time access to your live camera view so you can check up on your property anytime, day or night. The remote solutions made available by IP camera, NVR manufacturers, and even third-party mobile app developers are manifold; it is up to you to decide which one best aligns with your day-to-day routine.

Saturday, December 19, 2009

Several factors go into deciding which configuration is best for your needs.

These 3 are the first key factors to consider.

1st - Recording Speed - FPS (Frames Per Second) While each camera has the capability of recording up to 30FPS, (considered "Real Time"), the computer card's capacity will limit each camera's capacity. Card capacities are 30, 60, 120, 240 & 480 FPS. If you connect 4 cameras to a 30FPS card, each camera will max out at 7.5FPS, resulting in a very jerky motion. 4 cameras would require a 120FPS card in order to get the full potential out of each camera ("Real Time").
2nd - Resolution of record and playback
While many systems may have a recording resolution of 640x480 lines, they may only have
a playback of 320x240 lines, making playback not as clear as you might expect.
3rd - Total capacity of the hard drive.
Each camera recording at 30FPS requires about 1.5 GIG of hard drive space per 24 hours.
For a full 30 days, 4 cameras at full capacity would require a hard drive with a minimum of
180 GIG available space for data storage, not including the operating system or software.

Before you buy - be sure you will get what you expect!

Straight and Crossover cable

What are Straight and Crossover cable
Dear All CCTV, Access Control Technician/Engineer now make clear on this Two type of CAT Cable. Common Ethernet network cable are straight and crossover cable. This Ethernet network cable is made of 4 pair high performance cable that consists twisted pair conductors that used for data transmission. Both end of cable is called RJ-45 connector.

The cable can be categorized as Cat 5, Cat 5e, Cat 6 UTP cable. Cat 5 UTP cable can support 10/100 Mbps Ethernet network, whereas Cat 5e and Cat 6 UTP cable can support Ethernet network running at 10/100/1000 Mbps. You might heard about Cat 3 UTP cable, it's not popular anymore since it can only support 10 Mbps Ethernet network.


Straight and crossover cable can be Cat3, Cat 5, Cat 5e or Cat 6 UTP cable, the only difference is each type will have different wire arrangement in the cable for serving different purposes.

Straight Cable

You usually use straight cable to connect different type of devices. This type of cable will be used most of the time and can be used to:
1) Connect a computer to a switch/hub's normal port. 
2) Connect a computer to a cable/DSL modem's LAN port.
 
3) Connect a router's WAN port to a cable/DSL modem's LAN port.
 
4) Connect a router's LAN port to a switch/hub's uplink port. (normally used for expanding network)
 
5) Connect 2 switches/hubs with one of the switch/hub using an uplink port and the other one using normal port.

If you need to check how straight cable looks like, it's easy. Both side (side A and side B) of cable have wire arrangement with same color. Check out different types of straight cable that are available in the market.

Crossover Cable

Sometimes you will use crossover cable, it's usually used to connect same type of devices. A crossover cable can be used to:
1) Connect 2 computers directly. 
2) Connect a router's LAN port to a switch/hub's normal port. (normally used for expanding network)
 
3) Connect 2 switches/hubs by using normal port in both switches/hubs.

In you need to check how crossover cable looks like, both side (side A and side B) of cable have wire arrangement with following different color . Have a look on these crossover cables if you plan to buy one. You can also find more network cable choices and information from Comtrad Cables.
In case you need to make a crossover cable yourself! You can use crimperDescription: http://www.assoc-amazon.com/e/ir?t=homnetwirneta-20&l=ur2&o=1 to do it.

Lastly, if you still not sure which type of cable to be used sometimes, try both cables and see which works.

Note: If there is auto MDI/MDI-X feature support on the switch, hub, network card or other network devices, you don't have to use crossover cable in the situation which I mentioned above. This is because crossover function would be enabled automatically when it's needed.


Sunday, December 13, 2009

Digital revolutionizes video surveillance
With the Internet revolution and the ever-increasing presence of Local Area Networks, technology took great strides in video surveillance in the 1990’s. Analog camera tubes were replaced with CCD (Charged Coupled Devices) and digital cameras became affordable for most people.

This combination meant that video surveillance could do two things: go live over the Internet or a closed network for surveillance and provide clearer, crisper images that could be tracked and manipulated easily. For law enforcement, digital surveillance meant it was much easier to zoom in on images, track particular scenes and enhance features.

A digital camera “views” the scene in front of it, broadcasts the video images as a digitized signal over a LAN line (Local Area Network) where it’s then transmitted to a computer or server. The server in turn manages all of this information. Depending upon the software used to manage the digital images, it can record, display or retransmit the images to anywhere in the world.

The software package can easily be upgraded to allow for analyzing data, selecting specific “flagged” items to watch for and a host of other functions, making it a truly customizable security tool.

True IP-based digital surveillance uses CCD cameras that use signal processing that send packetized video streams over the LAN through a Cat 5 cable rather than a coax cable network, utilizing greater bandwidth and standard TCP/IP communication.

It also provides more intelligent data mining and information retrieval. If security is an issue, full digital surveillance also offers the added advantage of data encryption opportunities to protect against image tampering -- something not possible with analog recording.

Saturday, November 28, 2009

What is Fire Alarm System in short ?

Fire Alarm System
Fire alarm systems have been specially designed to alert people about fire at the earliest. From single to multi zone i.e. in a building (single) or in different floors of the building (multi-zone). These can also be installed in drawing rooms, bed rooms etc.There are basically three types of fire alarm systems, the functional advantage being that the source of fire is immediately detected and isolated which enables immediate corrective action.

STANDARD FIRE ALARM SYSTEM
These are designed to meet the fire requirements in the buildings, with LCD Display in conventional panel as a latest Technology.

ANALOGUE FIRE ALARM SYSTEM
These are also microprocessor based systems which work on the principle of extended loops and are suitable for large premises. The system gives LED indications in the control panel thereby isolating the source of fire.

ADDRESSABLE FIRE ALARM SYSTEM
These systems give LCD displays which show the exact location of all the detectors room-wise (for example computer room, drawing room etc.) from where fire has started.

SMOKE DETECTORS
lonisation smoke detectors: These help in the fast detection of both visible and invisible smoke particles in the range of 0.01 mm to 1 mm.
Optical smoke detectors: It provides early warning of a fire condition and is particularly effective in case of slow burning fires such as bedding, foam and plastics. This micro-processor system is suitable for small & medium size premises as it enables to isolate the source of fire, immediately.
HEAT DETECTORS
Heat detectors may be "fixed temperature type (which respond to temperature) or the "rate of rise" type (which respond to sudden increase of heat).
SMOKE AND HEAT BEAM WITH LOW LEVEL INDICATOR
These instruments are used to find the level of fire or smoke in a particular area. They can cover greater area and are suitable for high ceilings such as conference, cinema halls etc.
MANUAL CALL POINT & RESPONSE INDICATORS
Manual call point are earlier forms of fire alarm systems with the message " In case of fire break glass".Response indicators identify the source of fire in a room/false ceiling through LED display, enabling corrective action.
SOUNDERS OR FLASHERS
These are extremely useful in the night where there is no natural light. Sounders emit piercing alarm like sound from the place of fire and flashers get working to indicate the source of fire.
ADVANTAGES GALORE
* Ideal for hospitals, high-rise building, offices, godowns, home and factories.
* Easy to install
* Extremely effective
* Advanced electronic technology
* Constant alarm current

Friday, November 27, 2009

Do You Know How & When to Use a Fire Extinguisher ?

Do You Know How & When to Use a Fire Extinguisher ?
10 Important Rules to Remember................

1. Most fires start small. Except for explosions, fires can usually by brought under control if they are attacked correctly with the right type and size of extinguisher within the first two minutes!

2. A fire extinguisher should be "listed and labeled" by an independent testing laboratory. The higher the rating number on an A or B extinguisher, the more fire it can put out. Be careful, high-rated units are often heavier models. Make sure you can hold and operate the model you are buying.

3. A portable fire extinguisher can save lives and property by putting out a small fire or containing it until the fire department arrives. Before attempting to fight a small fire be sure everyone is out of the building. It is important to have someone call the fire department. If the fire starts to spread or threatens your escape path, get out immediately!

4. The operator must know how to use the extinguisher, quickly without taking time to read directions during an emergency. Remember that the extinguishers need care and must be recharged after every use.

5. PULL... Pull the pin. Some extinguishers require releasing a lock latch, pressing a puncture lever or other motion.

6. AIM... Aim low, pointing the extinguisher nozzle (or it's horn or hose) at the base of the fire.

7. SQUEEZE... Squeeze the handle. This releases the extinguishing agent.

8. SWEEP... Sweep from side to side at the base of the fire until it appears to be out. Watch the fire area in case fire breaks out again, and repeat use of extinguisher if necessary.

9. Most portable extinguishers work according to these directions. But some do not. Read and follow the directions on your extinguisher. If you have the slightest doubt about whether or not to fight a fire - DON'T! Get out and close the door behind you.

10. Ask your fire department about training and practice in the use of portable fire extinguishers. Many departments offer training sessions to the public

Monday, November 9, 2009

Wireless CCTV (WCCTV)

Wireless CCTV has recently been presented with a Queen's Award for Enterprise, in the category of Innovation for 2009. The continuous development of WCCTV’s high-tech Wireless Dome Camera systems and its socially responsible ethos have earned the Company recognition amongst the UK's business elite.
In 2007, the Home Office Scientific Development Branch rewarded Wireless CCTV with an Award for Equipment & Technology Innovation .

Wireless CCTV’s new 3G body-worn solutions have been developed in order to satisfy
the growing demand for body-worn surveillance equipment whether that equipment is
covert or overt.
The 3G body-worn solutions strongly improve security for agents in the field and allow supervisors to coordinate tactical operations involving multiple agents, while reducing the need for paperwork. Wireless CCTV has developed a range of overt solutions such as the Camera Vest and Belt options.
The WCCTV 3G Covert Backpack is ideal for agents who need evidential quality recording of suspects on the move. The backpack houses all of Wireless CCTV’s bodyworn technology in a covert package. The central unit of the body-worn equipment uses a robust Compact Flash card for digital, evidential quality recording of agents’ video and audio footage. Using 3G mobile phone technology, images and sound can be remotely monitored by a supervisor, who can evaluate the situation in real-time and despatch assistance or advise the agent on possible courses of action.
Wireless CCTV has also integrated an optional GPS receiver which tracks and maps the exact location of agents in the field. The precise position of multiple agents, combined with their respective live video and audio feeds, allows supervisors to assess a situation in real-time and make decisions accordingly.
A Panic Alarm button allows agents to notify the supervisor that they need immediate assistance.At the end of an operation, data can easily be backed up for evidential purposes, reducing the need for paperwork.

Each Wireless CCTV system is a completely portable, mobile unit that delivers live images directly to a PDA, PC, laptop or dedicated monitoring station via 3G mobile phone technology, broadband and wireless LAN networks, free from most geographical restrictions.


Wireless CCTV manufactures overt and covert systems which can be located anywhere, can be worn or even fitted into a vehicle, making this equipment ideally suited to combating crime in virtually any location.

For more details on some of the remote surveillance and rapid deployment monitoring solutions that Wireless CCTV provides to address specific problems, and to offer security at a wide variety of sites, please click on the relevant information link below.

CCTV monitoring of:

Anti social behaviour
Fly tipping
Traffic Congestion
Construction Sites
Covert operations

We also provide Wireless CCTV Case Studies , supply product data sheets with descriptions of individual systems - including visuals and technical specifications - and headline the latest news .

Our news reports cover successful Wireless CCTV applications that are meeting the challenges of vandalism , fly-tipping and anti-social behavior as faced by different Local Authorities and Housing Associations at locations across the UK.

For an incredibly flexible, ready to go, and completely secure solution, that can be up and running almost anywhere in less than one hour when necessary, we are confident you will find no better examples of success, and no better choice to make. In our experience, the only technology to meet every expectation, every time, is Wireless CCTV.

HEAVY DUTY WIRELESS DOME

WCCTV’s 3G Heavy Duty Dome Camera System has been designed for use in the harshest of environments. It provides the user with complete flexibility and portability. The Dome system has an integrated camera and transmission unit offered as a 'one box' solution.The system is ideal for rapid installation and temporary surveillance applications; it can be deployed in any location however harsh or remote. The Metal Mickey camera which is integrated into the unit is extremely robust and can operate in the most arduous of conditions. It is shotgun resistant, has an 18x or 36x optical zoom function and has a flat optic viewing window with wiper, to give distortion free images.
Transmission methods:
The variety of cutting edge transmission methods provided by WCCTV makes the product portfolio extremely flexible and cost effective. WCCTV utilise their expertise in telecoms and CCTV to provide state of the art products and systems which are capable of operating over multiple remote transmission media.
Every WCCTV product contains 3G HSUPA mobile phone technology, plus an additional transmission medium to maximise flexibility and portability. This unique approach provides the ability to transmit fluid, high-resolution images wirelessly without geographical restrictions, making WCCTV ideal for covert operations and short term covert monitoring.
Each WCCTV system also has an IP address allowing it to utilise broadband technology, which offers high-speed, fixed-cost transmission networks for live 24/7 monitoring. Broadband technology is ideal for remote covert surveillance where there is access to a telephone line with broadband connection.
The 3G Heavy Duty Wireless Dome system has Wi-Fi technology built in as standard, which enables high speed downloads up to 100m away using a Wi-Fi enabled laptop. As an optional extra it is possible to request long range Wi-Fi, which enables live monitoring up to 2km (line-of-sight) away from a broadband access point. Users are able to dial in remotely and access live images or stored digital footage from the integral hard drive. The camera itself can be controlled remotely with full pan, tilt and zoom functionality and a 360° field of vision.

Transmission speed
Via 3G HSDPA
Up to 12 frames per second
Via 3G UMTS
Up to 6 frames per second
Via GPRS
Up to 3 frames per second

Software
Wireless CCTV's Single View Software is free, unlicensed and allows multiple users.
> Up to 6 concurrent connections
> Event recording
> Password protected
> Full archive & playback facility
WCCTV's Multicast Software allows the end user to monitor up to 9 sites simultaneously, while WCCTV’s Server Software allows control room integration.

Monitoring
Using the WCCTV monitoring software from any laptop or PC, a supervisor can view an
agent’s live or previously recorded images. Combining this information with mapping
software, which shows the agent’s position at all times, a truly global overview of the operational status of agents in the field can be obtained.

Possible applications

Wireless CCTV’s 3G body-worn solutions are ideal for offering evidential quality video recording to agents in the field. The recorded, or live, video and audio can be
monitored from a laptop or PC by a supervisor. GPS tracking allows supervisors to monitor the location of agents while the 2-way audio allows to assist agents with real time advice. The Panic Alarm Button can be used by agents to notify the control
room that they need immediate assistance.
Some other possible applications may include:
> Fighting anti-social behaviour
> Close quarter surveillance
> Operations involving multiple agents
> Optimising the geographical deployment of agents by monitoring their location
> Reducing reporting paper work
> Assisting agents in the field with advice in real time

Features & benefits
> Truly portable surveillance solution
> Digital evidential quality recording
> 3G (with automatic GPRS fallback) guarantees virtually unrestricted geographical coverage
> Instant re-deployability
> Track and map agents' locations at all times
> Panic Alarm Button notifies control room instantly

Anythings more mail me : bhadra_1980@yahoo.com