# EM7421 Unable to find satellites

**URL:** <https://forum.sierrawireless.com/t/em7421-unable-to-find-satellites/31857>\
**Category:** MC/EM Series\
**Created:** [March 19, 2024, 2:48pm UTC](https://forum.sierrawireless.com/t/em7421-unable-to-find-satellites/31857 "2024-03-19T14:48:37Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![gapodi7715](https://avatars.discourse-cdn.com/v4/letter/g/db5fbb/32.png) [@gapodi7715](https://forum.sierrawireless.com/u/gapodi7715)\
**Post date:** [March 19, 2024, 3:33pm UTC](https://forum.sierrawireless.com/t/em7421-unable-to-find-satellites/31857/9 "2024-03-19T15:33:02Z")

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Yes, I was able to send AT commands via minicom using ttyUSB0.

 ![Снимок экрана от 2024-03-19 18-31-03](https://us1.discourse-cdn.com/flex025/uploads/sierrawireless/original/2X/f/f6c7f33f489dfd8e55d98bf273f92e0431694daf.png)  
 ![Снимок экрана от 2024-03-19 18-30-37](https://us1.discourse-cdn.com/flex025/uploads/sierrawireless/original/2X/c/cb4b54040d4a235c008df99ee84de8a0e3ab80da.png)  
However, as a result, it still doesn’t detect any satellites.

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