UH-222 is a handheld microphone with ergonomic design,interchangeable microphone heads and long battery life. Carrier Frequency Range：521.25MHz-936.85MHz Harmonic Radiation：<45dBm Max.
WB-100 is a wide frequency response condenser cardioid boundary microphone, designed for flat placement applications, providing high-quality sound pickup, conference,
WDC-903 digital wireless conference discussion system, with professional appearance design, perfect circuit composition and stable functional characteristics, can be cooperated
