Redmi CR660X AX1800 WiFi 6 Router — Refurbished, OpenWrt / ASUSWRT-Merlin / Mi Home Firmware

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¥110.00

Refurbished WiFi 6 AX1800 gigabit router: MIPS1004Kc dual core, 256MB RAM, 128MB Flash, 4x GbE. Redmi AX1800 firmware + Mi Home app; OpenWrt or ASUSWRT-Merlin installable. 1-year warranty.

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Specifications

cpu: MIPS1004Kc Dual Core
usb: None
mesh: Yes (AX1800 firmware mesh networking)
size: 247 x 141 x 180 mm
type: Smart Gigabit WiFi 6 Router (AX1800)
wifi: WiFi 6, dual-band concurrent up to 1775 Mbps (574 Mbps 2.4GHz + 1201 Mbps 5GHz)
flash: 128 MB
model: Redmi / Xiaomi CR660X
memory: 256 MB
firmware: Xiaomi Mi Home / ASUSWRT-Merlin / OpenWRT
warranty: 1 year (factory refurbished, no original packaging)
ethernet_ports: 4x Gigabit (embedded GbE switch)
network_standard: IEEE 802.11a/b/g/n/ac/ax, IEEE 802.3/3u/3ab

Description

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The Redmi CR660X is a smart gigabit WiFi 6 (AX1800) router originally built for telecom operators, now factory-refurbished and upgraded for home and enthusiast use. Its MIPS1004Kc dual-core CPU, 256MB RAM and 128MB Flash handle high loads with ease.

Key Features

WiFi 6 (802.11ax) dual-band, concurrent up to 1775 Mbps
4x Gigabit Ethernet ports (embedded switch)
256 MB RAM + 128 MB Flash — great for OpenWrt plugins
Mesh networking with Redmi AX1800 firmware + Mi Home app
Supports third-party firmware: OpenWrt, ASUSWRT-Merlin, and more

Firmware Options

Pre-installed: official Redmi AX1800 firmware (Mi Home app, mesh ready)
OpenWrt: full plugin ecosystem, customize freely
ASUSWRT-Merlin: guest network, AiProtection, advanced QoS, dual WAN load balancing

Specifications

Spec	Value
Model	Redmi / Xiaomi CR660X
CPU	MIPS1004Kc Dual Core
Memory / Flash	256 MB / 128 MB
Ports	4x Gigabit Ethernet
WiFi	AX1800 dual-band up to 1775 Mbps
Size	247 x 141 x 180 mm
Warranty	1 year