Use 5.8GHz ISM frequency band. * Support 8 groups of channels. You can select these channels to avoid interference from signals of a wireless router, etc. * Wireless transmission is suitable for one-floor. * The transmitter and the receiver are used in the same channel in a pair and can be used in the modes of point-to-multipoint or multipoint-to-multipoint. * Compatible with DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other AV output devices. * Superheterodyne 433MHz Wireless IR Remote Extender is fully compatible with remote control signals of DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other AV devices. * The product is equipped with super strong IR signal transmitting function or used in conjunction with an IR signal extension wire. * 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. * Dimensions: 10cm (L) ¡Á8.5cm (W) ¡Á3.0cm (H). * 5.8GHz module is CE & FCC certificated. Wireless application is safe and reliable. Transmitter Receiver Frequency Band 5.8GHz Sensitivity -90dBm A/V Input Port RCA A/V Output Ports RCA Video Input Level 1Vp-p(PAL/NTSC) Video Output Level 1Vp-p(PAL/NTSC) Audio Input Level 1Vp-p(Stereo) Audio Output Level 1Vp-p(Stereo) 433MHz Sensitivity -110dBm IR Transmitter Superheterodyne 433.92MHz Carrier frequency 38KHz Carrier frequency 38KHz IR Transmitting Range ¡Ý5m IR Receiving Range ¡Ý10m Power Supply DC 5V-1000mA Power Supply DC 5V-1000mA Application:* It transmit AV signals by means of radio waves and can be used for wireless sharing of AV signals of DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other AV devices of several TV sets. * Wireless AV transmission solutions are suitable for large video meeting systems and multimedia class rooms. * With an external CCD camera, it can realize real-time field image monitoring in applications such as security system. * It can also be used in AV transmission applications where the AV cabling is difficult or expensive. 27*21*7CM/giftbox 0.65KG 56*44*35cm/carton 14KG 20sets/carton