This channel transmitter by Seqcam® is designed to transmit video signals from four cameras via a BNC cable. When used as transmitter in pair with an active receiver, it can send the video signals over distances up to 1500 m, preserving their original quality. Interference free transmission of video signal Simpler and cheaper wiring Channels are transmitted via one BNC cable Built-in anti-interference filters Seqcam 1-Channel Transmitter/Receiver with Audio