The ZIG-CX-100 is a transmitter/receiver extender kit for long distance transmission of HDMI video and embedded audio plus bi-directional control signals over a single Coaxial cable. The ZIG-CX-100 can be used as a point-to-point solution or integrated with Matrix switching equipment to extend inputs or outputs to remote locations. The transmitter and receiver sets support simultaneous transmission of bi-directional RS-232 and IR signals from a control system, providing remote control to source equipment or displays.