Shure QLXD4 S50, digital UHF reciver, 24bit/48 KHz Audiosignal, AES-256 Advanced Encryption Standard encoding, up to 72 MHz bandwidth, 22 compatible channels per 8 MHz TV-Band, 9,5" metall housing, removeable BNC-antennas, ethernet-connection for Wireless Workbench and configuration, IR frequency and setting transmission, XLR/jack out, frequencyrange S50 (823 -832 MHz and 863 - 865 MHz), incl. PS23 powersupply, Rackmount, antennas and connection kit