AT&T (Mexico): 4G and 5G bands

Checked 2026-10-02

AT&T (Mexico) runs 4G on B2, B4, with no band below 1 GHz. 5G bands: n7, n41, n66. 5G SA: not found; RedCap: not launched; 3G: —; 2G: never operated.

Check your module in Mexico

Results cover the 3 networks here; the home page checks every country at once.

Band	Name	Duplex	Uplink MHz	Downlink MHz	Layer	Checked
B2	1900 PCS	FDD	1850–1910	1930–1990	capacity layer	cross-checked¹²
B4	1700/2100 AWS-1	FDD	1710–1755	2110–2155	capacity layer	cross-checked¹²
B5	850 Cellular	FDD	824–849	869–894	coverage layer	single source¹
B7	2600 IMT-E	FDD	2500–2570	2620–2690	capacity layer	single source¹
B26	850 Extended Cellular	FDD	814–849	859–894	coverage layer	single source¹
n7	2600 IMT-E	FDD	2500–2570	2620–2690	capacity layer	single source¹
n41	2500 BRS	TDD	2496–2690	2496–2690	capacity layer	single source¹
n66	1700/2100 Extended AWS	FDD	1710–1780	2110–2200	capacity layer	single source¹

Frequencies are from the 3GPP specifications. “Single source” means only one community source lists the band; it is shown but not scored.

MF833V✔ Good100%
Supports B2, B4.
Dongle 400✔ Good100%
Supports B2, B4.
F40◐ Limited0%
No common LTE band.
5G: 5G bands match, but no commercial RedCap yet