Sennheiser XSw 65 Vocal Set A-Band, True Diversity UHF Wireless System with up to 960 switchable frequencies, A-Band 548 - 572 MHz, 24 MHz switchable bandwitdth, 8 banks with 12 channels each, Scan Function to find free frequencies, audio frequencyrange 60 - 16.000 Hz, Jack and XLR out, Set contains SKM65 handheld transmitter with condenser capsule, supercardioid, EM10 True Diversity 9,5" receiver, NT2-3 powersupplyl, 2x 50 Ohms BNC Antenna, MZQ1 clamp, 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.