Genexis Pulse EX400: OpenWrt Compatibility Report
The Genexis Pulse EX400 runs OpenWrt 25.12.3 on the ramips/mt7621 target, and has been supported since 24.10.1. Its WiFi 5 (AC) wireless on the mt76 driver rates good for open-source driver support (0.80/1.0), installation is rated easy, and it is no longer sold new.
Hardware data and retail listings last checked .
Where to buy
We have no current retail listing for the Genexis Pulse EX400, which is no longer sold new. See current alternatives for devices you can still buy today.
Specifications
| SoC | MediaTek MT7621AT |
|---|---|
| CPU | 2 cores @ 880 MHz |
| RAM | 256 MB |
| Flash | 256 MB (NAND) |
| Ethernet ports | 2 |
| USB | 1x 2.0 |
| WiFi generation | WiFi 5 (AC) |
| Radios | 2.4GHz: b/g/n · 5GHz: a/n/ac |
| WLAN hardware | MediaTek MT7603, MediaTek MT7615 |
| WLAN driver | mt76 |
| OpenWrt target | ramips / mt7621 |
| Package architecture | mipsel_24kc |
| Current release | 25.12.3 |
| Supported since | 24.10.1 |
| Install method | GUI OEM, U-Boot TFTP + serial recovery |
| Install difficulty | easy |
| Device type | Home router |
| Estimated throughput | 220 Mbps |
| Availability | discontinued |
Installing OpenWrt on the Pulse EX400
Installation on this device is rated easy. You can flash it from the stock web interface without opening the case or using a serial cable. Documented methods: GUI OEM, U-Boot TFTP + serial recovery.
Flashing third-party firmware can brick a router and usually voids the warranty. Always check that the firmware image matches your exact hardware version.
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