RF Modulator TV Switch Audio Video RCA Ant Input to F Type Coax Output Converter This RF Modulator allows you to convert your AV inputs into RF output signals Automatically AV Device to Home TV when AV Device System is turn on Shielded Coaxial Cables for a clear pictures Excellent for Satellite Receivers, Video Cameras, Video Game Consoles, CCD Cameras, Cable TV, VCR, DVD and more Video Input: 1-2Vpp, 75 ohm, Connector RCA Audio Input: -20dB, 25k ohm, Connector RCA Antenna Input: 75 ohm RF Output: 75 ohm, Connector RCA