Remote Speaker Microphone (designed for connection to Car Kit)
Intelligently designed remote speaker microphone with easily accessible PTT and emergency button, protected against accidental actuation.
SM18A4
| Microphone sensitivity | -42dB ±3dB @1KHz |
| PTT cycles | ≥100000 |
| Speaker sensitivity | 78dB ±4dB @1KHz |
| Impedance | 16Ω ±15% @1KHz |
| Operating temperature | -30°Co +70°C |
