Quectel RM520N-GL in Japan
The Quectel RM520N-GL rates good on all 4 networks in Japan (NTT docomo, KDDI (au), SoftBank and Rakuten Mobile). 5G RedCap is available on NTT docomo.
Network by network
| Network | Verdict | Bands in use it supports | Core bands missing |
|---|---|---|---|
| NTT docomo | ✔ Good 88% 5G | B1 B3 B19 B28 B42 | — |
| KDDI (au) | ✔ Good 91% | B1 B3 B18 B26 B28 B41 B42 | — |
| SoftBank | ✔ Good 100% | B1 B3 B8 | — |
| Rakuten Mobile | ✔ Good 100% | B3 B28 B18 B26 | — |
Better-rated models here
In Japan it is already among the best-rated models.
About the Quectel RM520N-GL
- 4G B1 B2 B3 B4 B5 B7 B8 B12 B13 B14 B17 B18 B19 B20 B25 B26 B28 B29 B30 B32 B66 B71 B34 B38 B39 B40 B41 B42 B43 B48
- 5G n1 n2 n3 n5 n7 n8 n12 n13 n14 n18 n20 n25 n26 n28 n29 n30 n38 n40 n41 n48 n66 n70 n71 n75 n76 n77 n78 n79
Full 5G (eMBB, NSA and SA), not RedCap; B29, B32 and n29, n75, n76 are downlink only.
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.
◐ Allowed under conditions: Allowed under certain conditions (one source so far).3
All networks and bands in Japan → · The Quectel RM520N-GL in 46 countries →
Back to the home: ask, enter a model or bands, or compare models
Sources
- A RM520N-GL 5G Specification (frequency bands: 5G NR, LTE-FDD, LTE-TDD) Quectel · 2026-10-06
- C Quectel RM520N-GL 5G module: 5G NR SA/NSA and LTE bands Sixfab · 2026-10-06
- C Permanent roaming in IoT: rules by country (2026) Thingsdata · 2026
