Optus (Australia): 4G and 5G bands
Optus (Australia) runs 4G on B1, B3, B7, B28, B40; B28 is the coverage layer. 5G bands: n78, n40, n257. 5G SA: live; RedCap: commercial; 3G: switched off (2024-10-28); 2G: —.
Check your module in Australia
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 |
|---|---|---|---|---|---|---|
| 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 |
| B28 | 700 APT | FDD | 703–748 | 758–803 | coverage layer | cross-checked12 |
| B40 | 2300 S-Band | TDD | 2300–2400 | 2300–2400 | capacity layer | cross-checked12 |
| n78 | 3500 C-Band | TDD | 3300–3800 | 3300–3800 | capacity layer | cross-checked13 |
| n40 | 2300 S-Band | TDD | 2300–2400 | 2300–2400 | capacity layer | single source1 |
| n257 | 28 GHz mmWave | TDD | 26500–29500 | 26500–29500 | capacity layer | single source1 |
Frequencies are from the 3GPP specifications. “Single source” means only one community source lists the band; it is shown but not scored.
Network status
Our dongles on this network
Supports B1, B3, B7. Missing the operator’s main band B28. Missing B40.
Supports B1, B3, B7. Missing the operator’s main band B28. Missing B40.
Supports B1, B3, B28 (coverage layer), B40. Missing B7.
5G: 5G RedCap usable (n78)
Sources
- C Frequency checker · Australia Kimovil · 2026-10-02
- B What LTE bands does an Aussie smartphone need (Telstra, Optus, Vodafone) iTWire · 2016
- C Australia 5G frequency bands OneSDR · 2026-10-02
- B 5G RedCap webinar, March 2026 GSA · 2026-03
- B Mobile IoT network launches (Nov 2025) GSMA · 2025-11
- A The 3G network is closing down: Telstra and Optus from 28 October 2024; TPG/Vodafone already off Australian Government (business.gov.au) · 2024-10
