Xiaomi Redmi AC2100 Router Sells for $35 and Up

Xiaomi Redmi AC2100 Router
Click to Enlarge

Xiaomi has launched several affordable WiFi routers over the years. Their latest model is called Xiaomi Redmi AC2100 Router and comes with a dual-core, quad-thread MIPS processor, 128MB storage, WiFi 5 with 6 antennas, and four Gigabit Ethernet ports.

Xiaomi Redmi AC2100 router specifications:

  • Processor – MediaTek MT7621A dual-core/quad-thread MIPS processor @ 880MHz
  • System Memory – 128MB RAM
  • Storage – 128MB flash
  • Connectivity
    • Wireless
      • 2.4GHz 2×2 Wi-F 802.11n @ 300Mbps
      • 5G 4×4 WiFi 802.11ac @ 1733Mbps
      • 6x external high gain (5dBi) antennas
      • Security – WPA-PSK / WPA2-PSK encryption, wireless access control (black and white list), hidden SSID, intelligent anti-scratch network
    • Ethernet
      • 1x 10/100/1000Mbps WAN (Auto MDI/ MDIX)
      • 3x 10/100/1000Mbps LAN (Auto MDI/ MDIX)
  • Misc – 2x LEDs Indicators (Internet and System), Reset pin hole
  • Power Supply – 12V/2A
  • Dimensions – 259 x 176 x 184mm
Xiaomi Redmi Router AC2100
Click to Enlarge

The router is said to come with MiWiFi firmware based on OpenWrt with “deep customization”, and can be managed via its web interface (in Chinese) or MiWiFi Android/iOS app. The firmware is said to support Netease UU game accelerator to deliver a lower latency while gaming.

The hardware features are pretty similar to the company’s earlier Xiaomi Mi Router 4 except it supports AC2100 WiFI instead of just AC1200, comes with extra antennas, more storage, and one more Gigabit Ethernet port. That means Xiaomi Redmi AC2100 router should potentially support OpenWrt, as Mi Router 4 does although it requires flashing the firmware via an SPI programmer.

Xiaomi Redmi AC2100 Router (aka RM2100) is sold for 169 RMB  (~$25) in China. Price varies a lot from the usual Chines reseller. I first found it on Banggood for $49.99 shipped, and quickly found out GearBest would sell it for just $45.99, but the best price I’ve found so far is on Aliexpress where it goes for around $35 including shipping.

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12 Comments
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David Willmore
David Willmore
6 months ago

[quote]except it supports AC2100 WiFI instead of just AC2100[/quote]

“AC2100 WiFi” vs “AC2100”? Could you help me understand the difference, please?

David Willmore
David Willmore
6 months ago

The second should read AC1200. Already corrected.

Thank you!

David
David
6 months ago

Not insteresting if can’t be flashed with OpenWRT. And the last Gaming AC2100 has Mu-MIMO.

Jay
5 months ago

Also, Xiaomi can’t be trusted, especially given that it is under investigation in it’s own home country (China) for privacy violation. They’ve had a nice long run. While nothing can be done about user data already compromised, I hope this wake up call makes other nations take notice as well.

One of the several sources: https://www.zdnet.com/article/xiaomi-under-investigation-for-sending-user-info-back-to-china/

slmq
slmq
5 months ago

Well, I use them as an APs in my lan with openwrt flashed on it and without access through perimeter microtik, so I think, i should be safe.

Domas
Domas
6 months ago

It is a pity that it is missing USB. Xiaomi Mi 3G router was the last one with USB 3 and it is well supported by OpenWRT.

KopiJahe
KopiJahe
5 months ago

It’s all downhill since R3G v1.

MT7621 with 256MB ram and 128MB storage, has a USB 3.0 port, and supported by openwrt.

SLMQ
SLMQ
5 months ago

Agree, but USB was kicking 5WiFi down, so better keep it disabled…:-] and also, most of the usefull apps on openwrt can fit into 128MB RAM. I’m looking forward to get and crack this one.

Andreas
Andreas
5 months ago

Can this be flashed with your own OpenWRT firmwate?

benjamin
benjamin
5 months ago

Why doesn’t this have at least 5 ethernet ports, like every other router?

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