Andoer 150M PAT-330 2.4G Wireless AV Audio & Video Sender Transmitter & Receiver System for DVD/DVR/IPTV/CCTV Camera/TV The item enables you to easily realize wireless sharing of SD (Secure Digital) AV data and enjoy untrammeled HiFi audio and visual effects. Uses 2.4GHz ISM frequency band, multiple selective channels supported for Anti-interface from wireless. Support 1 group of AV signal input / output. Keep Transmitter and Receiver are used in the same channel (in a pair), it support and can be used in the modes of point-to-multipoint or multipoint-to-multipoint. It enables you to satisfy the transmission of A/V device and digital TV STB device, etc. (Supports DVD, DVR, IPTV, CCTV camera, Digital Set-Top Box and other AV output devices.).