... multipoint or multipoint-to-multipoint. Compatible with DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other AV ... . 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 ...