The WM101 Wireless Microphones series is a UHF, quartz controlled, fixed frequency device, which provides a reliable, high quality signal transmission. Up to 25 mt /100 feet range (open space). Audio Frequency Response:50 - 15000 Hz.
Three factory pre-build frequencies are available, which have been selected to allow the simultaneous use of 3 devices without interference between them (depending on the circumstances): 1. 863.100 MHz 2. 864.350 MHz 3. 864.850 MHz