Band encyclopedia
B40 · 2300 S-Band
B40 is a 3GPP LTE (4G) band (2300 S-Band), TDD duplex, uplink 2300–2400 MHz and downlink 2300–2400 MHz. It is a capacity layer: wide and fast, with shorter reach than the low bands. Of the 155 networks we check, 19 use it (United Kingdom, China, Saudi Arabia, Brazil, India, Singapore, Indonesia, Australia, Thailand, Malaysia, Philippines, South Africa, Oman).12
Will your device work on B40?
Specification
| Type | LTE (4G) |
|---|---|
| Duplex | TDD |
| Uplink | 2300–2400 MHz |
| Downlink | 2300–2400 MHz |
| Channel bandwidth | 5, 10, 15, 20 MHz |
| Layer | Capacity layer |
| Related bands | same frequencies as 5G NR band n40 |
Who uses it
| Operator | Country | Check |
|---|---|---|
| Optus | Australia | ✔ cross-checked |
| Vivo | Brazil | ✔ cross-checked |
| Claro | Brazil | ✔ cross-checked |
| China Mobile | China | ✔ cross-checked |
| China Telecom | China | ✔ cross-checked |
| China Unicom | China | ✔ cross-checked |
| O2 | United Kingdom | ✔ cross-checked |
| Telkomsel | Indonesia | ✔ cross-checked |
| Jio | India | ✔ cross-checked |
| Airtel | India | ✔ cross-checked |
| Vi | India | ✔ cross-checked |
| Yes | Malaysia | ✔ cross-checked |
| Unifi Mobile | Malaysia | ✔ cross-checked |
| Omantel | Oman | ✔ cross-checked |
| Globe | Philippines | ✔ cross-checked |
| stc | Saudi Arabia | ✔ cross-checked |
| SIMBA | Singapore | ✔ cross-checked |
| True | Thailand | ✔ cross-checked |
| Telkom | South Africa | ✔ cross-checked |
| TDC | Denmark | single source (not scored) |
| SmarTone | Hong Kong, China | single source (not scored) |
| 3 (Three) | Hong Kong, China | single source (not scored) |
| China Mobile Hong Kong | Hong Kong, China | single source (not scored) |
| XLSMART | Indonesia | single source (not scored) |
| Spark | New Zealand | single source (not scored) |
| Ooredoo | Oman | single source (not scored) |
| Entel | Peru | single source (not scored) |
| Bitel | Peru | single source (not scored) |
| Smart | Philippines | single source (not scored) |
What it means for IoT devices
- B40 adds capacity in United Kingdom, China, Saudi Arabia, Brazil, India, Singapore: it raises city speeds, but coverage comes from the low bands.
- This is a TDD band: FDD-only modules cannot use it.
F40 support B40.
Sources
- A TS 36.101 Rel-19, Table 5.5-1 E-UTRA operating bands 3GPP (via iTecSpec) · 2026-09-30
- C LTE frequency bands Wikipedia · 2026-09-30
Devices that support B40 (19)
- F40 Hyper Nexus
- Huawei E5577-320
- Quectel EC200U-EU
- Quectel EC25-AU
- Quectel EC25-E
- Quectel EC25-EUX
- Quectel EG21-G
- Quectel EG25-G
- Quectel EG912U-GL
- Quectel RG255C-GL
- Quectel RM520N-GL
- SIMCom SIM7600G-H
- TP-Link M7450
- Teltonika FMC130-MCIB0
- Teltonika FMC130-ME3
- Teltonika RUTX12 (0*****)
- Teltonika TRB140 (0*****)
- Teltonika TRB140 (1*****)
- u-blox LARA-R6001D
