Techdata: ASUS RT-N66U B1, B2

Devices with Broadcom WiFi chipsets have limited OpenWrt supportability (due to limited FLOSS driver availability for Broadcom chips). Consider this when choosing a device to buy, or when deciding to flash OpenWrt on your device because it is listed as supported. See Broadcom WiFi for details.

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Device Type:
WiFi Router
Brand:
ASUS
Model:
RT-N66U
Version:
B1, B2
FCCID:
https://fcc.io/MSQ/-RTN66U, https://fcc.io/MSQ/-RT0K00
Availability:
Discontinued
Supported Since Commit:
https://git.lede-project.org/?p=source.git;a=commit;h=f08a10f2b98535c256cc4066c6c90b746890b820
Supported Since Rel:
15.05
Supported Current Rel:
24.10.4
Unsupported Functions:
WiFi 2.4GHz partly, WiFi 5GHz, openwrt only sees 128MB RAM
Gluon support:
unknown
Target:
bcm47xx
Subtarget:
mips74k
Package architecture:
mipsel_74kc
Bootloader:
CFE
CPU:
Broadcom BCM4706
CPU Cores:
1
CPU MHz:
600
Flash MB:
32
RAM MB:
256
Ethernet 100M ports:
-
Ethernet 1Gbit ports:
5
Ethernet 2.5Gbit ports:
-
Ethernet 5Gbit ports:
-
Ethernet 10Gbit ports:
-
SFP ports:
-
SFP+ ports:
-
Switch:
Broadcom BCM53125
VLAN:
Yes
Modem:
-
WLAN Hardware:
2x Broadcom BCM4331
WLAN 2.4GHz:
b/g/n
WLAN 5.0GHz:
a/n
WLAN Comments:
2.4/5 GHz 3T3R
WLAN driver:
b43
Detachable Antennas:
3
Bluetooth:
-
miniPCI ports:
-
USB ports:
2x 2.0
SATA ports:
-
Video ports:
-
Audio ports:
-
Phone ports:
-
Serial:
Yes
Serial connection parameters:
¿
Serial connection voltage:
¿
JTAG:
Yes
LED count:
5
Button count:
2
GPIOs:
-
Power Supply:
19 VDC, 1.58A via barrel
Outdoor:
No
OpenVPN performance:
¿
Wireguard performance:
¿
Device Page:
rt-n66u
WikiDevi URL:
https://wikidevi.wi-cat.ru/ASUS_RT-N66U
WikiDevi ID:
ASUS_RT-N66U
Firmware OEM Stock URL:
https://www.asus.com/supportonly/rtn66u_(verb1)/helpdesk_bios/
Firmware OpenWrt Install URL:
https://downloads.openwrt.org/releases/24.10.4/targets/bcm47xx/mips74k/openwrt-24.10.4-bcm47xx-mips74k-asus_rt-n66u-squashfs.trx
Firmware OpenWrt Upgrade URL:
https://downloads.openwrt.org/releases/24.10.4/targets/bcm47xx/mips74k/openwrt-24.10.4-bcm47xx-mips74k-asus_rt-n66u-squashfs.trx
Firmware OpenWrt snapshot Install URL:
https://downloads.openwrt.org/snapshots/targets/bcm47xx/mips74k/openwrt-bcm47xx-mips74k-asus_rt-n66u-squashfs.trx
Firmware OpenWrt snapshot Upgrade URL:
https://downloads.openwrt.org/snapshots/targets/bcm47xx/mips74k/openwrt-bcm47xx-mips74k-asus_rt-n66u-squashfs.trx
Installation method(s):
unknown
Recovery method(s):
unknown
Picture:
picture: rt-n66u-b1.jpg
Comments:
RT-N66U = black case; RT-N66W = white case; RT-N66R = retail packaging for some countries; All devices (U,W,R) are the same hardware + software. (Source: wikidevi + https://forum.openwrt.org/viewtopic.php?pid=292174)
General nomenclature

Details

Conventions per characteristic

Details

  • Last modified: 2025/11/04 05:12
  • by raylynnknight