CHOOSING A WIRELESS SYSTEM Leave a comment

When should I choose a wireless system?
The convenience of a wireless system is tempting when you are purchasing a video surveillance system -you have more flexibility in where you install cameras, and can limit the number of cables you need to run by connecting to the cameras using Wi-Fi internet. Wireless cameras still need power source to function. The belief that wireless security cameras are battery-operated is a common misconception: No real security cameras use battery power.
When it comes to wireless surveillance systems, you are really talking about two different types of technology: wifi cameras, and point-to-point wireless linking.
Wi-Fi Cameras
All-in-one wifi cameras are popular with homeowners and small businesses. These cameras are small, affordable, and easy to use. They should only be used in small systems though, because having too many wifi cameras on one network could overwhelm your bandwidth.
These cameras will have basic features, so if you need a specific feature or advanced functionality your options will be limited. It should also be noted that very few cameras are battery operated – even a wifi camera still needs to be plugged in to get power.
Point-to-point wireless
If you need to install multiple cameras over a large area, and require specific or advanced features, a wireless point-to-point system is a much better option. This type of system allows you to turn an IP system into a wireless system by linking cameras with wireless antennas.
These systems use powerful antennas to connect over large distances (although they should have line of sight ideally), such as connecting surveillance systems in multiple buildings on a college campus or a retail store and its parking garage. The wireless antenna connected to the cameras will communicate with the base station, connecting it to your NVR or DVR.
PoE Technology
Power-over-Ethernet (PoE) technology is often the best choice for powering your camera system, removing the need for wireless. First and foremost, it’s secure and doesn’t require the additional cabling needed to plug the camera into a wall plug adaptor. Moreover, PoE extenders can provide an effective distance of up to 900 feet, enabling you to place cameras in far-away location without losing connection.
Using Existing Wi-Fi Networks
There’s a common misconception that existing Wi-Fi networks will support your wireless-ready camera system. While it may work for small projects with less than four cameras per access point, it’s not recommended for medium- or large-scale applications. If wireless is truly needed, create a dedicated point-to-point wireless network for camera streaming.

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