PA411 on August 20, 2015 | Marketing Team Antenna Combiner Distributes DC power and RF signal while reducing rack clutter for up to four PSM®300 systems. Works with PSM®300 Stereo Personal Monitor System Features a wideband 470–865 MHz frequency range Includes PA411, rackmount and hardware kits, ¼ wave antenna, BNC bulkhead adapter, BNC cable, power supply, power splitter cable, and user guide Product Details The Shure PA411 Antenna Combiner distributes DC power and RF signal for up to four Shure PSM®300 transmitters. The compact half-rack system significantly reduces the number of antennas and power supplies needed when using multiple systems. Features • Main RF output connector connects to any antenna with a BNC • connector • RF LED indicators display signal present and signal overload per input • Power output distributes DC power to PSM transmitters (accessory power cable required) • Features a front panel power switch