Sennheiser EW 135 G3 B-Band UHF Wireless System - SKM 100-835 G3 handheld transmitter (cardioid, dynamic), EM 100 G3 9.5" receiver, 1680 adjustable frequencies in 42MHz steps, 20 banks with up to 12 presets each, 80Hz-18kHz audio range, infrared frequency transmission, handheld transmitter with charger contacts for optional BA 2015 battery (NiMH), pilot tone, auto-tune to find free frequencies, internal EQ, internal guitar tuner, audio gain over 48 dB range, soundcheck mode, battery information on receiver and transmitter, HDX-Compander, B-Band frequency range (626 - 668MHz), LCD display with NF and channel, 30mW HF power, 2x BNC antenna connections, XLR male (balanced) and jack (unbalanced) outs. Includes NT2 power supply 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.