rf modulator - rca composite to rf coaxial - converts standard definition signals to coax, includes av cable the cimple co the cimple co, a family company located in the usa, is proud to offer this rca composite to coaxial channel 3 / channel 4 rf modulator sd converter kit. this compact device allows connection of an audio/video component, especially a tv that's not equipped with an audio video jack to any existing xbox, ps4, ps3, pc, laptop, tv, directv, satellite dish, comcast, cable, catv, stb, vhs, vcr, camera, dvd, blu-ray player, or most any other rca device. it can even be cascaded and used with our hdmi to av converter, to convert an hdmi signal down to a coaxial signal. it's ideal for dvd players, gaming, digital cameras, or camcorders and mounts easily to a wall. no flipping through the remote as this component automatically switches when it detects an incoming video source. supports rca / cvbs / composite / a/v inputs from 480i to 480p. please note, this converter does not support hd, 3d, or 4k. input ports: 1 of rca. -please note that this unit automatically powers up when signal is present. power ports: 1 of jack for included a/c power adapter/transformer. output ports: 1 of coaxial (rf) signal/connection. package contents: 1 of main unit (rca to rf modulator / converter); 1 of a/c wall plug power adapter; 1 of rca cable ~5 feet; 1 of user manual. please make sure to connect the power cord to a/c power and ensure that the signal is coming from an rca device to a coax / rf device (it does not work in reverse).