The MI-909R operates in a wide 64 MHz bandwidth and it has easy to use controls and indicators with a back lit LCD screen. Advanced dual-antenna diversity design eliminates signal dropouts and enhances signal stability. Featuring a lightweight, exceptionally durable magnesium alloy body pack case, the MI-909R is ideal for professional installations and live applications. Proprietary digital encryption provides secure audio transmission, preventing unauthorized listening in conferences, meetings and language interpretation applications.