... can select these channels to avoid interference from signals of a wireless router, etc.4. Compatible with DVD, DVR, CCD camera, IPTV ... , satellite STB, digital TV STB and other AV output devices.5. Superheterodyne 433MHz Wireless IR Remote Extender is fully compatible with ... is clear.7. Supports video transmission of PAL/NTSC system and stereo audio transmission.8. Dimensions: 10cm (L) ×8.5cm (W ...