This powerful cellular shield can easily turn your project into a full-fledged phone with voice, SMS, LTE data, GPS, and more!
by Timothy Woo
Learn how to make a powerful Arduino GPS tracker that posts data to the cloud via LTE CAT-M and view data graphically on IoT dashboards!
This completely open-source LTE shield for Arduino uses the latest and greatest CAT-M NB-IoT technology optimized for low-power IoT devices!
A quilted fabric clock with NeoPixels, that tells time using an Arduino Uno!
Project showcase by Chris And Jessica Hogan
Long-range wireless sensor based on Whisper Node capable of running for over a year on a single CR2032, transmitting data every 60 seconds.
Project showcase by Talk2
Sure, if you're fine using 2G then don't bother with 4G; you're free to use whatever you want. However, you're comparing apples and oranges by trying to compare pricing between 2G and 4G :)
Also, 2G draws a lot of power. This particular shield is LTE CAT-1, which is suitable for users who want traditional LTE functionality (not LTE CAT-M or NB-IoT) but still want lower power consumption than 2G/3G. But the shield also supports 3G. It all depends on your needs.
Sure, 2G is dirt cheap but will be completely obsolete in the US in 2020. Right now only T-Mobile supports legacy 2G while everyone's scrambling to switch over to 3G/4G.
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