Hands-free microphone, location/task - GF82.70-P-4102SK
Model 171.4 with CODE (386) Preinstallation for telephone "Portable CTEL", UPCI system
Model 171.4 with CODE (388) Telephone "Portable CTEL", UPCI system
Model 171.4 with CODE (494) USA version
| Hands-free system microphone, location | The hands-free system microphone group (B25) is located in the overhead control panel control unit (N70). |
| Hands-free system microphone, purpose | The hands-free system microphone group (B25) converts the spoken word into electrical signals. |