Ubiquiti airCube ISP: OpenWrt Compatibility Report
The Ubiquiti airCube ISP runs OpenWrt 25.12.0 on the ath79/generic target, and has been supported since 19.07.0. Its WiFi 4 (N) wireless on the ath9k driver rates excellent for open-source driver support (0.85/1.0), installation is rated moderate, and it is still sold new.
Hardware data and retail listings last checked .
Where to buy
Some links are affiliate links. Learn more.
Specifications
| SoC | Qualcomm Atheros QCA9533 |
|---|---|
| CPU | 1 core @ 650 MHz |
| RAM | 64 MB |
| Flash | 16 MB |
| Ethernet ports | 4 |
| USB | 1x µUSB (power) |
| WiFi generation | WiFi 4 (N) |
| Radios | 2.4GHz: b/g/n |
| WLAN hardware | Qualcomm Atheros QCA9533 |
| WLAN driver | ath9k |
| OpenWrt target | ath79 / generic |
| Package architecture | mips_24kc |
| Current release | 25.12.0 |
| Supported since | 19.07.0 |
| Install method | U-Boot TFTP + serial recovery, see git-commit |
| Install difficulty | moderate |
| Power supply | 5 VDC (µUSB), 2.0A, PoE 24 VDC 1.0 A |
| Device type | Access point |
| Estimated throughput | 81 Mbps |
| Availability | available |
Installing OpenWrt on the airCube ISP
Installation on this device is rated moderate. Expect to use a recovery mode, TFTP or a vendor tool rather than a plain web upload. Documented methods: U-Boot TFTP + serial recovery, see git-commit.
Official OpenWrt device page for the airCube ISP
Flashing third-party firmware can brick a router and usually voids the warranty. Always check that the firmware image matches your exact hardware version.
Other routers to consider
GL.iNet GL-X300B (Collie)
KuWFi CPE830(D)
YunCore CPE830(D)
Not sure which fits? Take the 60-second quiz.