Technical Parameters
Frequency stability Frequency Steadying   ;±0.05%
Dynamic Range Mobile State Range >90dB
Frequency response Frequency Response 50Hz-16KHz
S/N Ratio & ;nbsp;   ; ≥90dB
Lead frequency interference ratio F/N Ratio & nbsp; ≥80dB
Mirror interference ratio P/N Ratio & ;nbsp;   ; ≥80dB
Service Areas & nbsp; ≥70 meters Meters
Battery specifications two sections AA battery