This S-Video and RCA RF Modulator converters connects your DVD player or video gaming system to your older TV. This RF modulator helps eliminate the need to continually connect and disconnect equipment. Features Input: Audio Video (3 RCA) or S-Video Output: F-Type Antenna Channel selection: 3 and 4 Impedance : 75Ω Don't Forget the Cables! S-Video Cables RCA Cables F-Type Cables