4-way antenna combiner. Flexible tool ideal for: Combining Signals of up to four in-ear monitoring transmitters, e.g. SIEM-111 can be sent via one antenna Signals of up to four antennas which are positioned at a certain distance from each other can be combined for extending the reception area of a stationary receiver. Frequency range 470-960 MHz. Gain: 0 dB, ±2 dB Maximum RF power for each input: +20 dBm (100 mW) Low-voltage outputs: 4 x DC 12 V, 1 A max. for supplying operating voltage directly to connected transmitter.Each antenna to be connected via BNC jacks Supplied with suitable connection cables