WAVLINK WL-WN531A3 (QUANTUM D4): OpenWrt Compatibility Report

The WAVLINK WL-WN531A3 (QUANTUM D4) runs OpenWrt 25.12.2 on the ramips/mt76x8 target, and has been supported since 22.03.0. Its WiFi 5 (AC) wireless on the mt76 driver rates fair for open-source driver support (0.65/1.0), installation is rated easy, and it is no longer sold new.

Drivers: Fair (0.65) WiFi 5 (AC) Install: easy

Hardware data and retail listings last checked .

Discontinued. This model is no longer sold new, so this page is kept as a reference for people who already own one. See current alternatives.

Where to buy

We have no current retail listing for the WAVLINK WL-WN531A3 (QUANTUM D4), which is no longer sold new. See current alternatives for devices you can still buy today.

Specifications

SoC MediaTek MT7628AN
CPU 1 core @ 580 MHz
RAM 64 MB
Flash 8 MB
Ethernet ports 5
USB 1x 2.0
WiFi generation WiFi 5 (AC)
Radios 2.4GHz: b/g/n · 5GHz: a/n/ac
WLAN hardware MediaTek MT7628AN, MediaTek MT7612E
WLAN driver mt76
OpenWrt target ramips / mt76x8
Package architecture mipsel_24kc
Current release 25.12.2
Supported since 22.03.0
Install method GUI OEM, see git-commit
Install difficulty easy
Power supply 5 VDC, 2.0A
Device type Home router
Estimated throughput 72 Mbps
Availability discontinued

Installing OpenWrt on the WL-WN531A3 (QUANTUM D4)

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, see git-commit.

Flashing third-party firmware can brick a router and usually voids the warranty. Always check that the firmware image matches your exact hardware version.

Still sold and well supported

Ruckus R500

WiFi 5 (AC) Drivers: Excellent $173

MikroTik RB962UiGS-5HacT2HnT (hAP ac)

WiFi 5 (AC) Drivers: Excellent $115

Ubiquiti UniFi UK-Ultra

WiFi 5 (AC) Drivers: Excellent $100

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