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Xiaomi Mi 4A Wireless Router Gigabit Edition (OpenWRT Compat.) $28.35 + $3.25 Shipping ($31.60 Delivered) @ Banggood


Looking to set up router in garage and found this OpenWrt compatible one on sale. Banggood is usually reliable and Xiaomi gear likewise.


  1. Brand:Xiaomi
  2. Model Number: 4A Router gigabit edition
  3. Memory: 128MB DDR3
  4. Interface: LAN,WAN
  5. Processor: MT7621A MIPS Dual Core 880MHz
  6. Max. LAN Data Rate: 1000Mbps
  7. DC Port: 5.5 x 2.1
  8. ROM: 16MB
  9. Dual frequency 2.4GHz and 5GHz
  10. 2.4GHz Channel: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
  11. 5GHz Channel: 36, 40, 44, 48, 149, 153, 157, 161, 165
  12. Management: support Web, Android, iOS
  13. Working environment temperature: 0 - 40 Deg.C
  14. Working humidity: 10 - 90 percent RH ( non-condensing )
  15. Storage temperature: -40 - 70 Deg.C
  16. Storage humidity: 5 - 90 percent RH ( non-condensing )
  17. Router Connectivity Type: Wireless,Ethernet
  18. Wireless Security: WPA-PSK,WPA2-PSK
  19. Transmission Rate: 1167Mbps
  20. Number of antennas: 4 root,gain dBi: 5dBi,6dBi
  21. Network Protocols: IPv6,IEEE 802.11ac,IEEE 802.3,IEEE 802.11a,IEEE 802.11n,IEEE 802.11b,IEEE 802.11g,IEEE 802.3U
  22. Working Voltage: 12V/1A
  23. LAN Ports: 2 ports
  24. Wireless Security: WPA-PSK,WPA2-PSK
  25. DC Port: 5.5 x 2.1
  26. Application: Home

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closed Comments

  • +1

    Have the Mi Wifi Mini version with OpenWrt. Can confirm the flash was relatively easy (with developer firmware installed). Been running stable non-stop many months at a time for a few years now.

  • +1

    I owned the Xiaomi 3C version (very similar to this) a few years back. Great router, only downside is that the LAN ports are limited to 100Mbps if I recall. Other than that, the wifi antennas are pretty good and it performs quite well. At this price, the 4A is a pretty good deal. I think Xiaomi routers are generally pretty good in terms of specs and performance and stability. I now use a Xiaomi AX6000 and AX3600 and they are rock solid with great signal coverage. I could even be standing in front of my neighbour's house and still get good reception, despite the router being completely far from line of sight. Really impressive stuff.

  • I have the Xiaomi Redmi AC2100 with OpenWrt from AliExpress which had the same processor as this, but not sure if it has the same radios. It's been mostly smooth sailing. 2.4Ghz is rock solid, we just have an occasional issue with 5Ghz stability: occasionally the radio drops connections, I've also had it (once in about 6 months) stop entirely and needed a reboot. But bang for buck I'd buy again any day. The issue should be fixed in an upcoming version afaik.

    If it's anything like mine, you'll need some proficiency with SSH (and possibly minor coding/scripting). It required a firmware downgrade followed by a relatively straightforward hack to get OpenWrt installed. I've found it extremely powerful and flexible.

    • I might also add that the radios in mine were really powerful: too powerful in fact. The 2.4Ghz radio goes up to 27dBm (501mW), which is awesome but overkill for a radio that's on inside your house 24/7, and especially if you're near other APs.

      Be a good neighbour and drop it down to the lowest power level that gives you the coverage and speeds you need, as well as finding the band (1, 6, 12/13) with the least congestion. I'm in a ~200sqm house and we have ours located centrally at 20dBm (100mW) which is more than adequate for full coverage inside and 10-20m around the periphery.

      • Nice! I purchased two Huawei AX3 pro's and set it up in a mesh config at our place. The wifi6 is really good. Got them both shipped for ~220 NZD, way cheaper than anything equivalent in NZ.

  • +2

    I'm curious as to how much of a difference this has compared to a basic router from one of the main providers?

    • you can do more than what they just provided please see this link:

    • Can someone give a short highlights of why you’d want this openwrt thingy please?

      • +1

        It's a geek thing. Not recommended if you just want to plug and play, it's relatively complicated to configure anything beyond the basics.

        OpenWrt is incredibly powerful and totally configurable: basically you can set up your router to do anything you like. I have mine set up as 4 different WAPs: one for me for my WFH office, one for guests and the kids which can be easily turned off ;) one for TV and IoT devices, one for tenants in a minor dwelling next door. Tenants are isolated on their own network (DMZ) so an infection there can't mess with our network.

        We also have ad blocking built in, reporting, and more, there are a range of plugins and being Linux it's highly configurable even if it doesn't do what you want out of the box.

      • It all started when geeky people had their WRT54G router and after decades, routers evolves with higher specifications.
        Then they ask themselves:
        "Since its a network device, has a processors, a little storage on it and has input and output ports, can i just make my own operating system instead of that crappy limited thing Manufacturers just want me to install on it?"
        then it expands to limitless possibilities:
        "Wow, how can this operating system run on this small device. Wait, it says that this OS can add other services on it and why cant I do that with my device?"
        Not that robust but will manage to eliminate some of your needs of other external network devices like:
        File/ Storage/ Media / FTP / Web / Print / Version/ Security / Monitoring / Torrent / Mail / Proxy / SSH Servers
        Some of the High-End Manageable/Unmanageable routers/extenders Wired / Wireless capabilities
        Security Network Devices
        Smart Automation Controllers
        Monetization Hotspots
        Check this other sites where you can even have deals cheaper than what was shown above.
        AliExpress, Tomtop, Gearbest, GeekBuying and DealExtreme (they compete with each other and might surprise you they give deals you won't see from the other)

  • +1

    OP here. Just ordered. They are shipping from the Australian warehouse so shouldn't take too long.

  • Thank OP! I just ordered one now. I’ve been looking for replacing the default given by Trustpower (NetComm NF15ACv) since it’s been working slow and erratic.
    I’ve got to take hands on OpenWRT now. Never did it. It shouldn’t been that hard aye.

  • Does anyone have referral ? The cheapies link return an error for me.

  • So let me understand this?

    In order to install the OpenWRT I have to:

    • open the router
    • solder a header to the JTAG port on the motherboard
    • buy a JTAG programmer to flash it?

    Sound like it's definitely not for beginners at all. Or am I wrong

    • +1

      No. From the website:

      For installing OpenWrt there are the following methods:
      - Using a firmware exploit (Does not require extra hardware) …
      - Using a chip programmer (Requires extra hardware) …

      But I still wouldn't recommend this for beginners. It's definitely not plug and play, at least a moderate technical understanding is required to flash it and configure it properly.

  • Mesh capabilities (openwrt)? Anyone using …feedback?

    • This is what I'm interested in. Looks like this deal has sold out though when I looked earlier. They did have the better router for not much more as well. I'm intrigued to set up two of these, one at each end of the house as a mesh/access point style set up if I can get WiFi 6 ones at a good price.

      Also assuming you can isolate the 2.4 and 5 GHz channels to different ssids so I can't put my iot stuff on the 2.4 and keep 5 for phones and laptops only.

  • +1

    any good recommenation for a wifi 6 router? Tp link ax55 is on sales at Amazon.com.au

  • Do you still require a modem from ISP if you have a fiber connection or can replace the modem provided by ISP?

    • +2

      I believe this replaces the router from the ISP. This is connected to the white fiber box that would have been installed by Chorus.

      • +1

        Yea, that's right, the ont plugs into the wan port of this.

  • Looks like it's $79 now

    • Back in-stock now. I have removed the expiry.

      • am I missing something? stil says $79 and sold out next to quantity?

        • Looks to be available one minute, unavailable the next.

  • Even the Xiaomi AX3000 mesh router is $119 running new wifi6, way cheaper running a pair in mesh then buying Orbi set. Most wifi6 mesh are costing above $1k…

  • For anyone else who is not seeing it for the above price, I've ended up buying on Ali Express. Total price $41.44 (https://www.aliexpress.com/item/4000315430268.html?spm=a2g0o...)

  • Careful when buying these routers as there are 2 very similar ones. The Banggood one has 1000 Mbps ports and the other is 100 and don't know if it's OpenWrt compatible…

    Pity the price went up. Did anyone score one? Note that parellel imported also brings cheap Xiaomi routers into nz.

    You will have to check if they are OpenWrt friendly.


    • With 100m ports and the fibre upgrade to 300m download I really wouldn't recommend anyone in a fibre area buy a router with ports slower than your connection. I know 100m is really enough for most people but why bottleneck yourself, I'd just stick with the isp supplied router until a better deal comes up on one with gigabit.

  • There's a sale on Asus routers at the moment over at Amazon AU.

  • Did anybody receive their order? I bought mine back on 29 December and I haven't got it yet - so frustrating. The latest update on the tracking website was on the 12 January 'handover for processing' at Auckland Airport. I contacted Banggood and they gave me this basic chat about delays and have to wait 7 days from today. Ughhh

    • Got mine today too

  • OP here. Got mine today. Banggood is usually much faster.

    • yeah mate, got mine today too haha

  • See someone trying to sell this $40 on Geekzone.

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