Operating frequency: 640~690MHz
S/N signal to noise ratio :>105dB
T.H.D distortion :<0.5%
Frequency response :40Hz-18KHz
Frequency stability: ±0.002
Pickup gain adjustment knob :-20dB to +35dB
FM Maximum modulation frequency deviation: ±45KHz RF
Rf output power: high 10mW/low 5mW
Higher harmonics: more than 60dB below the main wave reference
Working distance: 120M