Shure QLXD2/Beta87a K51, Digital UHF Handheld Transmitter with Capacitor Beta87a Capsule, Frequency band: K51 (606-670 MHz), 24 Bit / 48 kHz audio signal, AES-256 Encryption for secure transmission, Up to 72 MHz bandwidth, 22 Compatible channels in an 8 MHz TV band, Switchable transmitting power: 1/10 mW, 120 dB dynamic range, Metal handheld transmitter with condenser microphone capsule Beta87a, Directivity: Super-cardioid, Frequency transmission over infra red interface, Transmitter operates with 1.5 V AA batteries - also available with SB 900 lithium ion battery, Incl. bag and microphone clip
