... AV signals of DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other similar devices, by means of radio waves ... ).Compatible with DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other AV output devices.7).Images received by means ... install high gain antenna, suggest 13dB yagi antenna: wireless AV transmitter and receiver 1.2GHz 1500mW