... channels Function and Features:1. Use 2.4GHz ISM frequency band.2. 150m transmission range.3. Support 4 ... DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other AV output devices.5. Superheterodyne 433MHz ... DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other AV devices.6. Images received ... (L) ×8.5cm (W) ×3.0cm (H). 2.4G Wireless AV Transmitter and Receiver , Model:PAT-220