... Selectable channels Function and Features:1. Use 2.4GHz ISM frequency band.2. 150m transmission range.3. Support 4 ... . Compatible with DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other AV output devices. ... control signals of DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other AV devices.6. ... (L) ×8.5cm (W) ×3.0cm (H). 2.4G AV Sender & IR Remote Extender, Model:PAT-220