Active, high-power 8:1 antenna combiner. Max 250 mW input power, 1 RU, with inline power supply. BNC interconnect cables not included. The Sennheiser AC 3200 8 to 1 Broadband Active Antenna Combiner combines the RF (Radio Frequency) signals from 8 wireless monitoring transmitters, into a single output that significantly reduces wire clutter and RF intermodulation. The AC 3200 is compatible with Sennheiser SR series listening system transmitters, operates over a broadband frequency range of 500 to 870MHz and easily covers long ranges with a maximum input of 250mW. Active 8-channel 0dB transmitter combiner with highly constant RF output power over the entire frequency range Significant improvement of RF performance for multi-channel systems Broadband RF design to cover the UHF frequency range from 500-870MHz Maximum input power of 250mW LEDs on the front show whether a signal is present at the RF input Compatible with SR 3054, SR 3056, SR 3254, SR 3256, SR 300 and SR 350 transmitters