Shure UA834WB, Antenna Amplifier, Active broadband antenna amplifier, Switchable gain +6 dB/+12 dB, Frequency range: 470 - 900 MHz, Operation with ULXD, UR and Axient series as well as UA844 or UA845 antenna splitter, For other series, the optional UABIAST is required, 360° Rotatable, BNC In/Out, Dimensions (W x H x D): 112 x 66.7 x 31 mm, Weight: 280 g, Incl. A13HDB flange for easy installation