2.4G Wireless AV Sender 150m transmission range IR Remote Extender 4 Selectable channels Function and Features:1. Use 2. ... interference from signals of a wireless router, etc.4. Compatible with DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB ... AV output devices.5. Superheterodyne 433MHz Wireless IR Remote Extender is fully compatible with remote control signals of DVD, DVR, CCD camera, IPTV ...