Camecho Wireless Audio Video AV Transmitter Receiver Sender Set 16-ch 1.2Ghz 700mw (DC 12V) for CCTV Camera DVR FPV DVD The product consists of a transmitter and receiver. It adopts an advanced 1.2GHz wireless transmission scheme and has the advantages of a long transmission range(up to 800 meters open area,depend on the enviroment), anti-interference and high mobility. Support 16 Receiving Channels. You can select these channels to avoid interference from signals of a wireless router, etc. The transmitter and the receiver are used in the same channel in a pair and can be used in the modes if point-to-multipoint or multipoint-to-multipoint. It can transmit AV signals of DVD, DVR, CCD camera, IPTV, satellite set-top box, digital TV set-top box and other similar devices by means of radio waves and receive them at distant end and input them to a TV set to be displayed. It enables you to easily realize wireless sharing of HD AV data and enjoy untrammeled hi-fi audio/visual effects. Images received by means of radio are vivid and stable, the color is flamboyant, and the sound is clear. Supports video transmission of PAL/NTSC system and stereo audio transmission.Fully hardware-designed. There is no need to install software. Plug and play. Simple and convenient. Mulitple Working frequency to make it Stable : 1.2 GHz / 1.3 GHz (Transmitter), 0.9 GHz / 1.2 GHz / 1.3GHz (Reciever).A Reciever and a Transmitter ,Great to built-up your own Wireless System.Video signal system: PAL/NTSC.Bought from HongKong Shunxinda to Get the Genuine Product and the Professional Customer Services.