LD Systems U508 MC, UHF hand-held transmitter with condenser capsule, For LD Systems E508 systems, Characteristic: Cardioid, Frequency range: 60 - 16,000 Hz, Switchable transmission power 2, 10 and 30 mW, OLED display, Pilot tone, Operation with 2 x 1.5V AA batteries or rechargeable batteries, Transmission frequency range: 823 - 832 MHz and 863 - 865 MHz, Dimensions: 257 x 50 mm