... of a transmitter and a receiver. Use 5.8GHz ISM frequency band PAT-530 5.8GHz ISM wireless av sender Sharing device 200M distancePAT ... multipoint or multipoint-to-multipoint.Compatible with DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other AV output ... meeting systems and multimedia class rooms.With an external CCD camera, it can realize real-time field image monitoring in applications ...