# About the Portenta CAT.M1/NB IoT GNSS Shield category

**URL:** <https://forum.arduino.cc/t/about-the-portenta-cat-m1-nb-iot-gnss-shield-category/1018199>\
**Category:** Portenta CAT.M1/NB IoT GNSS Shield\
**Created:** [August 1, 2022, 2:36pm UTC](https://forum.arduino.cc/t/about-the-portenta-cat-m1-nb-iot-gnss-shield-category/1018199 "2022-08-01T14:36:42Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![system](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/system/32/1140315_2.png) [@system](https://forum.arduino.cc/u/system)\
**Post date:** [August 1, 2022, 2:36pm UTC](https://forum.arduino.cc/t/about-the-portenta-cat-m1-nb-iot-gnss-shield-category/1018199/1 "2022-08-01T14:36:42Z")

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The **Arduino Portenta Cat. M1/NB IoT GNSS Shield** enables cellular connectivity to both Cat. M1 and NB-IoT networks with the option to use eSIM technology