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Wireless Video Surveillance

Over the past several years municipalities, cities and governments have adopted wireless instead of wired video surveillance due to the freedom of implementation and the cost saving on cabling. 

Wireless Surveillance Network Topologies

There are three main network topologies for a wireless surveillance network: Point-to-Point (PTP), Point-to-Multi-Point (PtMP), and MESH. Often times, in larger networks, some combination of these three topologies is used to achieve the most robust and reliable solution.

Point to Point Network

A Point-to-Point network is the simplest of the three. As the term suggests, there are only two locations in the network. Location A transmits and receives data to and from location B. PTP networks can be used in smaller networks with a single camera or small cluster of cameras at the remote end. They can also be used in larger networks to aggregate large amounts of video traffic from a PtMP or MESH network since PTP bridges are capable of providing much more bandwidth (more on bandwidth later).

Point to Multi-Point Network

A Point-to-Multi-Point network is a network in which a central point (commonly referred to as HUB, Access Point, or Base Station) broadcasts and receives signals to multiple remote locations. A PtMP network is an efficient and cost-effective way for several remote locations to transmit data back to a central location.

Mesh Network

A MESH network is undoubtedly the most complex of the three network topologies. Also known as “Multi-Point-to-Multi-Point,” MESH networks consist of three or more radios, all of which transmit and receive data to and from each other. This allows any radio on the network to act as a HUB or Base Station. MESH networks are designed to be self-healing and fully redundant so they are an ideal solution for mission critical applications.