Polar Pattern Omnidirectional Transmission type 2.4GHz digital frequency agile system Wireless Frequency 570.0 MHz – 589.0 MHz Working Distance 100m(LOS),20m(NLOS) Input Frequency Range 48Hz-18KHz Receving Sensitivity -38dB( /-3dB)/0dB=1vPa,1kHz Delayed <20ms RF Output Power 8dbm Signal/Noise 78 Maximum SPL(Mic) 100dB SPL Maximum Input Level(3.5mm) 150mv Microphone Preamp Gain 21.8db Audio Output Jack 1 x 1/8″ /3.5mm TRS Line Out 1 x 1/8″ /3.5mmTRS Headphone OutputInput Built-in Mic/External Mic Battery Built-in 500mAh Rechargable Li-Battery(Mic-USB) Working Time 7H Charging Time 1.5H Antenna Spring Antenna Operating Temperature 0°C to 40°C Storage Temperature -20°C to 55°C Weight 40g(TX or RX) Unit dimensions 48mm*48mm
