Shure BLX14/B98 Q25, UHF Wireless System, Beta instrument series, BLX1 pocket transmitter and Beta98 H/C clip microphone, Up to 12 systems simultaneously, Pilot tone, Microprocessor-controlled antenna diversity, Quick-Scan function for free frequency detection, Condenser clip microphone, Frequency response: 20 - 20,000 Hz, Polar pattern: Cardioid, Plastic receiver, Integrated antennae, XLR and jack outputs, Audio status LEDs, Frequency range: Q25 (742-766 MHz)