技术参数Technical Parameters

     Receive frequency range : VHF 210-270MHz

     Channels : 2 channels

     Operating principal : dynamic

     Polar pattern : uni-directional

     Frequency stability:土0.005%

     Frequency Response : 40-20000 Hz

     Impedance : 600 Ohm

     Sensitivity : 60dB

     S/N ration: > 80dB

     Total harmonic distortion : 0.5%

     Maximum deviation:土10 KHz

     Microphone weight: 220 g

     Microphone power supply : 2pcs X 1.5V

     Voltage : AC 12V/150 mA

     Receiver dimensions :27x 15.6x4 cm

     Transmitting power : 3W

     Receiver display: LED

     Battery working life: > 6 hours

     Effective distance (open area) : 50 m