You may also like. Hollyland COSMO 600 Wireless HDMI 1080 Transmission Video TX & RX 3G-SDI System. HOLLYLAND COSMO 600FT Professional Wireless 3G-SDI / HDMI Video Transimission TX/RX suite. Anti-collision Design for SDI and Antenna Connectors. No Compression, No Latency. Point to Point & Broadcast Mode. 3G-SDI In/Loop Out/, HDMI In/Out. Band Built-in Antennas in […]