Description The ASA 214-UHF Active Antenna Splitter with DC Power Distribution and NT 1-1 Power Supply from Sennheiser is for the ew G3 and ew G4 wireless receivers (sold separately). The ASA 214-UHF splitter can be used to receive multiple microphone signals through a pair of antennas, split and amplify those signals, and send each signal to their respective receiver via coaxial cable. Also included are eight BNC cables.