Shure BLX24R/SM58 Q25, UHF Wireless System, SM58 Handheld transmitter, Up to 12 systems simultaneously, Pilot tone, Microprocessor-controlled internal antenna diversity, Quick-Scan function to find free frequencies, Dynamic SM58 microphone capsule, Frequency range: 50 - 15.000 Hz, Directional characteristic: Cardioid, Receiver with metal housing: 9.5 ""/ 1HE, Removable BNC antennas, XLR- and Jack outputs, LCD with HF and Audio signal, Frequency range: Q25 (742 - 766 MHz), Delivery includes: Rack mounting kit