Check the listing of devices here. If it’s not listed, but the device claims it’s certified on our network, it probably is. To make sure you can consult the listed frequencies and bands and the device documentation. It must have the band as well as the frequency and will typically have several frequencies and bands. No 2G device will work our AT&T’s network any longer.

TechnologyFrequency (Mhz)Bands
3G/4G HSPA/HSPA+ 850 5
3G/4G HSPA/HSPA+ 1900 2
LTE 700 12, 17, or 29
LTE 850 5
LTE 1700/2100 4
LTE 1900 2
LTE 2300 30