Hollyland Cosmo 1000X Wireless Panel Antenna for Cosmo System, 5.0-5.8 GHz Frequency Range. Transmission Range: 3000ft Channel Selection: 0-9 USB Firmware Upgrade No Compression, No Latency Point to Point & Broadcast Mode 3G-SDI In/Loop Out/, HDMI In/Out 5GHz ISM Frequency Band 3G-SDI Level B.