4. Operating System and Equipment
4.6.9 Characteristi
c Specification
Function Item Specification
Reception
AM received frequency 531~1629kHz
FM received frequency 87.5~108MHz
Audio
Frequency range 0Hz~20KHz
SNR
75dB（MP3）
Frequency characteristics +, -3dB
Channel number Left and right side stereo
Antenna Signal receiving mode (antenna) External antenna
Power supply — DC9~16.0V, ≤10A
Operating temperature
Use temperature
-30~75℃
Storage temperature
-40~5℃
Interface — USB2.0 (Host)
File system — FAT 16/32 File System
File play specification — Supported audio file formats: MP3 and WMA
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