The DSE audio / video transmitters can be connected to any analog wired harness cameras to transform it into a wireless camera. They can also be used to wirelessly transfer the video output of a DVR or any video device. Video wireless transmitter/receiver for analog cameras - Analog transmission To convert hardwired cameras to wireless. Suitable for CVBS video 100 m range (line of sight) Analog RF transmission Max. 3 transmitters per site Including transmitter, receiver, antennas.