you need to enable the modem port for AT command for further investigation:
Related topics
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| EM7455 no COM-Port | 1 | 1332 | March 2, 2020 | |
| COM Port for AT test commands at EM7455, Windows 10 | 5 | 7976 | October 24, 2017 | |
| Does MC7354 expose AT COM port? | 14 | 2737 | October 15, 2015 | |
| no cellular service for em7455 with window10! | 31 | 18242 | January 5, 2022 | |
| [Lenovo] EM7355 VZW - No service on Win 10 x64 | 1 | 1557 | October 25, 2016 |