SM20A1

Highlights:
1) Telephone-style design with clear sound output, satisfying the private communication need;
2) The holder is convenient for hooking off and hanging up the receiver;
3) Reliable PU wire designed with bullet-proof material Kevlar.

Microphone specifications:
Sensitivity: -21±3dB @1KHz 0dB=1v/Pa 
Output Impedance: ≤2.2kΩ@1kHz
Distortion: ≤3%(100mV)
S/N: ≥50dB

Speaker specifications:
Sound Pressure Level: 125±4dB@1KHz Max (finished product)
Impedance: 150Ω±15%@1kHz
Distortion: ≤1%(300mV)
PTT Life Circle: ≥100,000 times

Applicable for: MD78X