LD Systems U 506 MD, UHF hand transmitter, With dynamic capsule, For LD systems U500 systems, Radio frequency range: 655 - 679 MHz, Frequency response: 60 - 16,000 Hz, 96 Channels (8 groups a 12 channels), Characteristics: Cardioid, OLED display, Exchangeable capsules, Pilot tone recognition / adjustable squelch, Switchable RF power, Switchable gain, Selectable transmit power: 2 mW, 10 mW or 30 mW, 2x 1.5V AA batteries or rechargeable batteries, Length: 252 mm, Diameter: 52 mm, Weight: 0.25 kg