2.4G wireless av sender 250m transmission distance IR Remote Extender 4 Selectable channels

Function and Features:1. Use 2.4GHz ISM frequency band.

2. 250m transmission range.3. Support 4 groups of channels. You 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 remote control signals of DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other AV devices.6. Images received by means of radio are vivid and stable, the color is flamboyant, and the sound is clear.7. Supports video transmission of PAL/NTSC system and stereo audio transmission.8. Dimensions: 10cm (L) ×8.5cm (W) ×3.0cm (H).