... signal transmission&reception One Input Wireless AV sender & Receiver 27992R1.2.4GHz wireless technology delivers audio and up to 60m(clear ... /GS approved AC/DC adaptor x2We manufacture high frequency wireless network transceiver products, covering indoor and outdoor TV antennas ... , amplifiers, Satellite Dishes and equipments, Splitters, wireless AV senders, AV selectors, DVB-T, DAB and LED ...