Sennheiser XSW 1-908 A-Band Brass Set, Diversity UHF Wireless System with antenna diversity, bodypack transmitter, E908T condenser gooseneck brass-microphone, cardioid, 147 dB SPL max, 24 MHz bandwidth, 8 banks with each 10 channels, internal antennas, Scan Function to find free frequencies, audio frequencyrange 50 - 16.000 Hz, XLR and jack output, adjustable Squelch, Mic-Line switchable, set contains 1x SK-XSWbodypack transmitter, 1x EM-XSW1 Diversity Desktop receiver, 1x E908T, NT 12-5 CW powersupply, 2x AA batteries, frequency-range A-Band 548 - 572 MHz. Please note: Due to every country having different regulations, you may need to Contact your local licensing authorities before using a wireless system.