The WS-5225 UHF Wireless Set from Toa Electronics includes the WT-5810 Wireless Tuner and the WM-5225 Handheld Wireless Microphone. The WT-5810 is a PLL-synthesizer controlled, double superhetrodyne diversity tuner that allows you to select an operating frequency out of 16 available frequencies. It employs a compander noise reduction circuit to minimize the influence of ambient RF noise. The WM-5225 wireless unidirectional microphone employs an electret condenser microphone capsule and enables you to choose one transmission frequency out of 64 available frequencies. High-output power ensures stable radio signal transmission.