SM20A2 Telephone Style Handset With Keypad

SM20A2

Audio

    Specifications of SM20A2

    Specs_Acc_Audio
    Dimensions 223* 69* 53mm
    Weight about 340g
    Color black
    PTT Key available
    Emergency Key available
    Connector 10-pin connector
    Microphone Sensitivity -21±3 dB @ 1 kHz 3.0 V 2.2 K, 0 dB = 1 V/Pa
    Speaker Power 30 mW (rated); 50 mW (max.)
    Speaker Impedance 150 Ω±15% @ 1 kHz
    Speaker Frequency Response 125±4 dB @ 1 kHz at 50 mW
    IP Rating none
    Operating Temperature –30℃ to 65℃
    Storage Temperature –40℃ to 85℃
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