Shure BLX24/SM58 T11, UHF Wireless System with SM58 handheld transmitter, SM Vocal Series, Up to 3 systems simultaneously, Pilot tone, Microprocessor-controlled internal antenna diversity, Quick-Scan function to find free frequencies, Dynamic SM58 microphone capsule, 50 - 15.000 Hz, Cardioid, Receiver with plastic housing, Integrated antennas, XLR- and Jack outputs, Audio Status-LEDs, Frequency range: T11 (863 - 865 MHz), Including case