Professional microphone
Product description: Carrier frequency: 210-270 MHz
adjacent interference ratio: & GT; 80dB
frequency stability: ± 0.005 %
false interference ratio: & GT; 80 dB
dynamic range: & GT; 90dB
RF output power: 30mW
harmonic distortion: & lt; 0.5 %
Audio output: independent: 0-± 400mV mixed: 0-± 300mV
frequency response: 40-16KHz ± 3dB
receiving channel: 2-way
receiving sensitivity: 50uS(SINAD = 20dB)
receiver power supply: AC220V/50 -60Hz
Signal-To-Noise ratio: & GT; 98 dB
Effective action distance:(50-80) M(depending on the environment)