UA874WB UHF Active Directional Antenna 470-900 MHzThe Shure UA874 uses a log periodic dipole array to offer enhanced reception when directed toward the desired coverage area. An integrated amplifier and four gain settings compensate for varying degrees of coaxial cable signal loss. The UA874 can be mounted on a microphone stand, suspended from the ceiling, or mounted to a wall using the integrated swivel adapter. Product Features 470900 MHz Frequency Range Compatible with all Shure wireless receivers