Shure PA421B - 4-port Antenna Combiner for PSM Wireless Systems

The Shure PA421B is a 4-port wideband PSM antenna combiner for all P3T, P9T and P10T Transmitters (470-865 MHz). Features• Combines up to 4 PSM transmitters to a single antenna set• Wideband operation (470-865 MHz)• 4 Input LED signals (green when active; off when inactive)• Temperature-sensitive fan for quiet ambient unit noise and heat• Daisy-chain up to 2 combiners with the expansion port• LED indicators for signal presence and signal overload• Passive (non-powered) antenna combining   Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.   FCC CONSUMER ALERT (U.S.)Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any