Shure QLXD2/Beta87a G51, Digital UHF handheld transmitter with Beta87a condenser capsule, Frequency band: G51 (470 - 534 MHz), Audio signal: 24 Bit / 48 kHz, AES-256 encryption for uninterceptable transmission, Up to 72 MHz switching bandwidth, 22 Compatible channels in an 8 MHz TV band, Switchable transmitting power: 1 mW/ 10 mW, 120 dB Dynamic range, Metal handheld transmitter with KSM87 condenser microphone capsule, Polar pattern: Supercardioid, Frequency transmission via infrared interface, Transmitter operation with 1.5 V AA batteries - optionally also with SB 900A lithium-ion battery, Includes bag and microphone holder
