Sennheiser EW 312 G3/E-Band - UHF wireless system with bodypack (SK 300 G3), electret lapel microphone (ME 2) with omni-directional polar pattern, 9.5" receiver (EM 300 G3), 1680x adjustable frequencies, 20x banks (each with up to 24 presets), frequency response: 25Hz-18kHz, infra-red frequency transmission, pocket transmitter with charger contacts for optional NiMH battery pack (BA 2015), auto tune to find free frequencies, internal EQ, over 60dB audio gain range, sound check mode, battery power display on receiver and transmitter, WSM support (Ethernet port for frequency management), HDX compander, frequency range: E-band (823-865MHz), LCD display with NF and channel, switchable HF power (10/30mW), 2x BNC antenna connections, male XLR (balanced) and jack (unbalanced) connections, includes power supply (NT2), rack-mount (G3) and 2x AA batteries. Please note: Due to every country having different regulations, you may need to contact your local licensing authorities before using a wireless system.