... avoid interference from signals of a wireless router, etc.4. Compatible with DVD, DVR, CCD camera, IPTV, satellite STB, digital TV ... 5. Superheterodyne 433MHz Wireless IR Remote Extender is fully compatible with remote control signals of DVD, DVR, CCD camera, IPTV, satellite ... PAL/NTSC system and stereo audio transmission.8. Dimensions: 10cm (L) ×8.5cm (W) ×3.0cm (H). Long Distance Wireless AV Sender ...