To be easily paired with Empire R20 and Empire R40 receivers from the Modular Voice Pro Line. It can also be paired with portable microphone systems JN100 and JI100 as they feature two receiving channels.
The transmitter features a special switch to set the transmission power to two values: Low and High.
High is necessary for outdoor use, reaching distances up to 100m, but it increases battery consumption.
Low suffices for most indoor situations where distances are within 30m, significantly reducing battery consumption.