... 2.4G Wireless A/V Transmitter & Receiver and 250m Wireless IR Remote Extender Transmitter Receiver Frequency Band 2.4GHzSensitivity -90dBmA/V Input ... , DVR, CCD camera, IPTV, satellite STB, digital TV STB and other AV devices of several TV sets. Wireless AV transmission ... solutions are suitable for large video meeting systems and multimedia class rooms. With an external CCD camera, it ...