wireless camera system's transmitter and receiver

wireless camera system's transmitter and receiver create a wireless network. The router in building A assigns IP addresses to all of the devices in building B and in turn make building B's IP devices part of building A's network. The hybrid DVR / NVR in building A is capable of connecting both to wired CCTV cameras as well as IP cameras and IP video servers bringing all of the cameras in both buildings together into a single surveillance system. With high speed internet access in place in building A and port forwarding / firewall settings setup properly, users can access all of the cameras from both buildings remotely over the Internet by connecting to the NVR / DVR's web camera service.