Frequency range Range: Frequency FM high band 110-120MHz maximum frequency partial maximum deviation + 15KHz signal-to-noise ratio (s / N Ratio:> 100dB comprehensive distortion t.h.d.: less than or equal to 0.8% frequency stability frequency stability: + 0.1% audio response audio frequency Response:80Hz-15KHz dynamic range dynamic Range:> 100dB operating range of work scope: ideal environment for 40 meters operating temperature operating Temperature:-10 DEG C - 50 DEG C