# Notecarrier XM

**URL:** https://discuss.blues.com/c/hardware/notecarrier-xm/27.md

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## [About the Notecarrier XM category](https://discuss.blues.com/t/about-the-notecarrier-xm-category/3307)

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**Author:** [@RobLauer](https://discuss.blues.com/u/RobLauer)\
**Replies:** 0\
**Last updated:** [October 9, 2025, 5:40pm UTC](https://discuss.blues.com/t/about-the-notecarrier-xm-category/3307 "2025-10-09T17:40:51Z")

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Use this category for questions about Blues Notecarrier XM.

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## [Can ALT\_DFU\_TX/RX be shared with normal UART communication?](https://discuss.blues.com/t/can-alt-dfu-tx-rx-be-shared-with-normal-uart-communication/3525)

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**Author:** [@AA\_NC](https://discuss.blues.com/u/AA_NC)\
**Replies:** 2\
**Last updated:** [April 15, 2026, 2:20pm UTC](https://discuss.blues.com/t/can-alt-dfu-tx-rx-be-shared-with-normal-uart-communication/3525 "2026-04-15T14:20:52Z")

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Hi, I am designing a board with a Notecarrier XM with the Notecard Cellular - CAT-M | Global + STM32 and plan to use ODFU. Can ALT\_DFU\_TX and ALT\_DFU\_RX also be used for normal UART communication between the MCU and No…