USR IOT USR-G771-E in China
The USR IOT USR-G771-E rates good on 2 of 4 networks in China (China Unicom and China Broadnet). On China Mobile it is limited, missing B34 B38 B39 B40. On China Telecom it is limited, missing a coverage band.
Network by network
| Network | Verdict | Bands in use it supports | Core bands missing |
|---|---|---|---|
| China Mobile | ◐ Limited 43% | B3 B8 | B34 B38 B39 B40 |
| China Telecom | ◐ Limited 33% | B1 B3 | — |
| China Unicom | ✔ Good 67% | B1 B3 B8 | — |
| China Broadnet | ✔ Good 100% | B28 | — |
Better-rated models here
- Quectel RM520N-GL 5G Sub-6 · global · Quectel · 4/4 Good
- Quectel EG912U-GL Cat 1 bis · global · Quectel · 4/4 Good
- SIMCom SIM7600G-H Cat 4 · global · SIMCom · 4/4 Good
About the USR IOT USR-G771-E
DTU · Cat 1 · RS232/RS485 DTU · Europe · USR IOT1
- 4G B1 B3 B7 B8 B20 B28
LTE Cat 1 for the mainstream European bands, with 2G fallback; no B5, so not for the Americas. The Chinese USR-G771 has different bands; do not mix them up.
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.
⚠ Long-term roaming by foreign SIMs is not allowed: Long-term use of foreign SIMs is not allowed; a domestic operator’s SIM is required.234
All networks and bands in China → · The USR IOT USR-G771-E in 46 countries →
Back to the home: ask, enter a model or bands, or compare models
Sources
- C USR-G771-E listing (bands, links to the maker’s datasheet) Gotronik · 2025-04-19
- B Navigating permanent roaming for IoT: where it is prohibited and where operators restrict it Counterpoint Research · 2026-10-02
- C What is permanent roaming: countries where it is banned or effectively prohibited Eseye · 2026-10-02
- C Navigating permanent roaming challenges for IoT deployments Com4 · 2026-10-02
