Quectel EG21-G in the United States
The Quectel EG21-G rates good on 2 of 3 networks in the United States (AT&T and Verizon). On T-Mobile it is limited, missing B66 B71.
Network by network
| Network | Verdict | Bands in use it supports | Core bands missing |
|---|---|---|---|
| AT&T | ✔ Good 85% | B2 B4 B5 B12 | — |
| Verizon | ✔ Good 81% | B13 B2 B4 B5 | — |
| T-Mobile | ◐ Limited 69% | B2 B4 B12 B41 | B66 B71 |
Better-rated models here
- Quectel RM520N-GL 5G Sub-6 · global · Quectel · 3/3 Good
- Quectel RG255C-GL 5G RedCap · global · Quectel · 3/3 Good
- Quectel BG77 LTE-M / NB-IoT · global · Quectel · 3/3 Good
About the Quectel EG21-G
- 4G B1 B2 B3 B4 B5 B7 B8 B12 B13 B18 B19 B20 B25 B26 B28 B38 B39 B40 B41
The same 4G bands as the EG25-G at Cat 1 speed (up to 10 Mbit/s), suited to low-data, cost-sensitive devices.
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: No legal ban, but operators limit long-term roaming by foreign SIMs in their agreements. A US SIM (for example T-Mobile’s) roaming domestically onto other networks is not affected.345
All networks and bands in the United States → · The Quectel EG21-G in 46 countries →
Back to the home: ask, enter a model or bands, or compare models
Sources
- A EG21-G LTE Standard Specification V1.2: bands Quectel · 2021-10
- B Quectel EG21-G product listing (bands) MC Technologies · 2026-10-02
- 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
- B Navigating permanent roaming for IoT: where it is prohibited and where operators restrict it Counterpoint Research · 2026-10-02
- C Permanent roaming in IoT: rules by country (2026) Thingsdata · 2026
