Shure BLX14R M17, UHF Wireless System for Guitar, SM Guitar Series, With BLX1 pocket transmitter, Up to 12 systems simultaneously, Pilot tone, Microprocessor driven antennae-diversity, Quick-Scan function for free frequency detection, Pocket transmitter with 4-pin TQG connector, 9.5"" 1 u metal receiver, Detachable BNC antennas, XLR- and jack outputs, LCD with audio and HF level, Frequency range: M17 (662-686 MHz), Incl. WA302 guitar cable and rack mounting kit