Sennheiser EW 135 G3 / GB-Band - UHF wireless system with handheld dynamic microphone/transmitter (SKM 100-835 G3) with cardioid polar pattern, 9.5" receiver (EM 100 G3), 1680x adjustable frequencies, 20 banks (each with up to 12 presets), frequency response: 80Hz-18kHz, infra-red frequency transmission, handheld transmitter with charger contacts for optional NiMH battery pack (BA 2015), autotune to find free frequencies, internal EQ, internal guitar tuner, audio gain (over 48dB range), soundcheck mode, battery information on receiver and transmitter, frequency range: GB-Band 606 - 648 MHz, LCD display with NF and channel, 30mW HF power, 2x BNC antenna connections, male XLR (balanced) and jack (unbalanced) connections, includes power supply NT2-UK 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.