MobiFone (Vietnam): 4G and 5G bands
MobiFone (Vietnam) runs 4G on B3, with no band below 1 GHz. 5G bands: —. 5G SA: not found; RedCap: not found; 3G: —; 2G: winding down.
Check your module in Vietnam
Results cover the 3 networks here; the home page checks every country at once.
Bands in detail
| Band | Name | Duplex | Uplink MHz | Downlink MHz | Layer | Checked |
|---|---|---|---|---|---|---|
| B3 | 1800 DCS | FDD | 1710–1785 | 1805–1880 | capacity layer | cross-checked12 |
Frequencies are from the 3GPP specifications. “Single source” means only one community source lists the band; it is shown but not scored.
Network status
| 5G SA | Not found |
|---|---|
| RedCap | Not found |
| LTE-M | Not in GSMA list |
| NB-IoT | Not in GSMA list |
| 2G | Winding down3 |
| 3G | — |
Our dongles on this network
Supports B3.
Supports B3.
Supports B3.
5G: No common 5G band
Sources
- C Frequency checker · Vietnam Kimovil · 2026-10-03
- C Vietnam: 4G on 1800 MHz after Viettel, VinaPhone, MobiFone and Gmobile were licensed in 2016 OperatorWatch · 2022-03
- B Global 2G & 3G network closures, by country and operator (2026 update) Wireless Logic · 2026-10-04
