The Sound Devices A20-Monarch Wideband Omnidirectional Antenna is a premium, high-performance passive antenna engineered to expand the wireless tracking footprint of top-tier cinema and broadcast audio setups. Operating over an exceptionally wide global frequency spectrum of 470 MHz to 1600 MHz, it is custom-tailored to cover Sound Devices’ proprietary SpectraBand tuning technology, allowing location sound mixers to navigate heavily congested UHF and 1.5 GHz environments worldwide.