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AT&T (Puerto Rico) uses 2 GSM bands, 2 UMTS bands, and 2 LTE bands. Find out if your unlocked phone or mobile device will work with AT&T (Puerto Rico). See the tables below for details.

Check device compatibility


Carrier website: http://www.wireless.att.com/

Frequency Bands

GSM

Name Interface
850 GSM
1900 (PCS) GSM

UMTS

Name Interface
B2 (1900 PCS) UMTS
B5 (850) UMTS

LTE

Name Interface
B4 (1700/2100 AWS 1) LTE
B17 (700 bc) LTE