LD Systems U506 BPG, UHF Wireless System with Pocket Transmitter and Guitar/ Bass Cable, True Diversity, 96 Channels in 8 groups of 12 channels each, Audio frequency range: 60 - 16,000 Hz, Switchable transmission power (2 mW, 10 mW, 30 mW), Frequency scanning at the receiver, Automatic frequency scan with infrared transmission of the setting from the receiver to the transmitter, Pilot tone, Bright OLED display, Transmitter operation with 2 AA batteries or rechargeable batteries, Frequency band: 655 - 679 MHz, XLR- and jack output, Operation with 12 - 18 V DC power supply, BNC Antenna connections, Incl. 2 AA batteries, antennas, case and power supply