The Shure UA874US is an active, directional antenna for Shure’s wireless microphone systems. Its design delivers improved signal reception for VHF and UHF wireless systems and includes rejection of RF signals outside the coverage area as well as an integrated amplifier with four gain settings.
 
The UA874US can be easily mounted to a standard microphone stand, suspended from the ceiling, or mounted to the wall using the included swivel adapter bracket.
 
Please note: Two UA874US antennas are required for the proper setup of a wireless microphone system.