S-Video and Hi-Fi Stereo Audio Transceiver 500038 S-Video over CAT5. The 500038 allows you to send S-Video plus Stereo Audio over a single CAT5 (or better) cable. It allows a single S-Video plus Stereo signals to be transmitted via unshielded twisted pair (UTP) cable up to 1000 ft (305m) in a point-to-point connection.
eBay