Shure BLX1288/SM58 Combo Q25, Dual UHF Wireless System, SM Series Combo, 1x BLX1 bodypack transmitter, 1x SM58 handheld transmitter, 1x WA302 Guitar Cable, Simultaneously up to 6 systems, Pilot tone, Microprocessor-controlled antenna diversity, Quick scan feature to find free frequencies, Dynamic SM58 handheld transmitter: 50-15000 Hz, cardioid, Plastic receiver, Integrated antennas, XLR and jack outputs, Audio Status LEDs, Frequency range: Q25 (742-766 MHz)