Shure SLXD2+/Beta87A G65 - digital UHF handheld transmitter with condenser Beta87A microphone capsule; supercardioid; transmission range: 470 - 606 MHz; audio transmission: 24-bit/48 kHz; dynamic range: >118 dB; switchable transmission power: 1 mW/ 10 mW; switching bandwidth: 138 MHz; 14 compatible channels per 8 MHz band, 11 compatible channels per 6 MHz band; automated setup and pairing; ShowLink® Ease enables remote control and management of transmission parameters for paired devices; AES-256 encryption; transmitter operation with 1.5V AA batteries (up to 8 hours runtime), optionally also with Li-Ion battery SB903 (not included); external charging contacts; incl. transport bag and AA batteries