Quectel EC25-MX in Mexico
The Quectel EC25-MX rates good on all 3 networks in Mexico (Telcel, AT&T and Altán).
Network by network
| Network | Verdict | Bands in use it supports | Core bands missing |
|---|---|---|---|
| Telcel | ✔ Good 100% | B4 B7 B66 | — |
| AT&T | ✔ Good 100% | B2 B4 | — |
| Altán | ✔ Good 100% | B28 | — |
Better-rated models here
In Mexico it is already among the best-rated models.
About the Quectel EC25-MX
- 4G B2 B4 B5 B7 B28 B66
Designed for Mexico: B4, B7 and B66 for Telcel, and B28, the only band Altán uses.
Network access: long-term roaming
Many globally deployed IoT devices use multi-network roaming SIMs that can attach to several networks in a country, but some countries restrict long-term roaming by foreign SIMs. A local SIM roaming domestically is not affected.
◐ No legal ban; it depends on the operators: Permanent roaming is legally permissible (Cullen International: as in most of the Americas); whether it lasts depends on agreements between operators.3
All networks and bands in Mexico → · The Quectel EC25-MX in 46 countries →
Back to the home: ask, enter a model or bands, or compare models
Sources
- A EC25 variants and their bands, as published by Deutsche Telekom IoT Quectel · 2021
- A EC25 Series specification (bands of every variant), as published by Mouser Quectel · 2020
- B IoT regulation in the Americas: permanent roaming legally permissible in most countries (Brazil bans it); no SIM registration in the US and Canada Cullen International · 2026-02
