BY-WM8 Pro K2 utilizes the UHF (Ultra High Frequency) spectrum, which helps you avoid interference. There are 48 channels available, which enables users to run multiple sets of BY-WM8 Pro systems at the same time without issues. And the operation range can reach up to 100m (without obstacles). The system is super easy to use, and it works right out of the box. You just plug in the mic, turn on the power and go.