Delivers uncompressed 3G/HD-SDI transmission up to 700 meters line-of-sight and operates on a 5.1-5.9GHz license-free frequency. Includes the original case and a spare antenna for convenient setup and transport. More information on Gearwise: https://www.gearwise.se/shop/audio/microphones/wireless/swit-s-4904t-r-wireless-system/