Uhf 32 channel wireless amplifier 1. Uhf 700-960mhz professional channel 2. Lcd display af level, rf level, channel value, frequency value and battery life of transmitter and receiver. 3. Pll synthisized design, with high channel stability 4. Power off automatically under low voltage to protect inside accumulator 5. Pilotone & noise lock technology 6. Advanced smt technology to ensure the quality 7. Has got fcc approval