Data-only devices approved for use with GSMA high-usage, flat-rate or unlimited plans

What data-only devices are approved for use with GSMA high-usage, flat-rate or unlimited plans?

GSM-A utilizes LTE Bands: 2 (1900MHz), 4 [66] (1700MHz), 5 (850MHz), 12 [17] (700MHz), 14 (FirstNet 700MHz), and 30 (2300MHz)

GSM-A utilizes 5G Bands: n5 (850MHz), n260 (39GHz)

 

High-Usage & Flat-Rate LTE Plans:

Nearly any device should work with this plan, providing it has new to the AT&T network (has not been used with another account).

100GB LTE Plans:

Nearly any device should work with this plan, providing it has new to the AT&T network (has not been used with another account).

 

This list is subject to change and periodic updates. Last Update 2021-1-13.