External Microphone and Speaker
High quality , IP55 compliant and noise canceling microphone enabling clear and concise audio transmission in noisy operating environments
SM13M1
| Microphone sensitivity | -52dB ±3dB @1KHz |
| Speaker sensitivity | 91dB ±3dB @300Hz to 3KHz Average |
| Impedance | impedance |
| Operating temperature | -30°C to +65°C |
