... radio waves and can be used for wireless sharing of AV signals of DVD, DVR, CCD camera, IPTV, satellite STB, digital TV ... point-to-multipoint or multipoint-to-multipoint.Compatible with DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other ... .5cm (W) ×3.0cm (H).2.4GHz module is CE & FCC certificated. Wireless application is safe and reliable. 2.4ghz Wireless Sender and Receiver Support 4 ...