Shure BLX24/SM58 (614-638MHz, Band K12) Handheld wireless microphone system at Crutchfield
Amazon.com: Shure BLX1 Wireless Bodypack Transmitter with On/Off Switch, Adjustable Gain Control and TQG Connector, for use with BLX Wireless Systems (Receiver Sold Separately) - H8 Band : Musical Instruments