Sennheiser EW 122 G3 / C-Band - UHF wireless system with SK 100 G3 bodypack and ME 4 electret lapel microphone (cardioid), EM100 G3 receiver (9.5"), 1680 adjustable frequencies within 42MHz band, 20 banks with each up to 12 presets, audio range 25Hz-18kHz, infrared frequency transmission, pocket transmitter with charger contacts for optional BA 2015 NiMH rechargeable battery, pilot tone, auto tune to find free frequencies, internal EQ, internal guitar tuner, guitar cable emulator to simulate the sound of a cable, audio gain over 60dB range, soundcheck mode, battery power indicator on receiver and transmitter, HDX compander, LCD display with NF and channel, 30mW HF power, 2x BNC antenna connections, XLR male (balanced) & jack (unbalanced) outputs, includes NT2 power supply and 2x AA batteries. Frequency range: C-band (734-776MHz). Please note: Due to every country having different regulations, you may need to contact your local licensing authorities before using a wireless system.