SFR (France): 4G and 5G bands
SFR (France) runs 4G on B1, B3, B7, B20, B28; B20, B28 are the coverage layer. 5G bands: n1, n78. 5G SA: live (2025-10); RedCap: not launched; 3G: by 2028-12; 2G: by 2026-12-15.
Check your module in France
Results cover the 4 networks here; the home page checks every country at once.
Bands in detail
| Band | Name | Duplex | Uplink MHz | Downlink MHz | Layer | Checked |
|---|---|---|---|---|---|---|
| B1 | 2100 IMT | FDD | 1920–1980 | 2110–2170 | capacity layer | cross-checked12 |
| B3 | 1800 DCS | FDD | 1710–1785 | 1805–1880 | capacity layer | cross-checked12 |
| B7 | 2600 IMT-E | FDD | 2500–2570 | 2620–2690 | capacity layer | cross-checked12 |
| B20 | 800 Digital Dividend | FDD | 832–862 | 791–821 | coverage layer | cross-checked12 |
| B28 | 700 APT | FDD | 703–748 | 758–803 | coverage layer | cross-checked13 |
| n1 | 2100 IMT | FDD | 1920–1980 | 2110–2170 | capacity layer | cross-checked14 |
| n78 | 3500 C-Band | TDD | 3300–3800 | 3300–3800 | capacity layer | cross-checked14 |
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 | Live (2025-10)5 |
|---|---|
| RedCap | Not launched |
| LTE-M | Commercial6 |
| NB-IoT | Commercial6 |
| 2G | By 2026-12-157 |
| 3G | By 2028-127 |
Our dongles on this network
Supports B1, B3, B7, B20 (coverage layer). Missing B28 (coverage layer).
Supports B1, B3, B7, B20 (coverage layer). Missing B28 (coverage layer).
Supports B1, B3, B28 (coverage layer). Missing B20 (coverage layer), B7.
5G: 5G bands match, but no commercial RedCap yet (n1, n78)
Sources
- C Frequency checker: France Kimovil · 2026-09
- B 4G relays by band and operator (ANFR data) Selectra · 2018
- B 700 MHz auction: Free and Orange 10 MHz each, Bouygues and SFR 5 MHz; Free has no 800 MHz Next · 2015-11
- A Monthly mobile network observatory, 1 March 2024 (5G bands by operator) ANFR · 2024-03-04
- B 5G SA in France: launch dates and time spent on SA, Q1 2026 DegroupTest (Opensignal data) · 2026-06-19
- B Mobile IoT network launches (Nov 2025) GSMA · 2025-11
- A Switch-off of 2G and 3G mobile networks: operator timetable Arcep · 2026
