2.4G Wireless AV Sender 350m transmission range IR Remote ... 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 ... ×8.5cm (W) ×3.0cm (H). Long Distance Wireless AV Sender and Receiver Model:PAT-260