ASUS RT-AX1800U

abgn+ac+ax (AX1800)
AX1800 Dual Band WiFi 6 Router
Wikipedia	Asus routers
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Supported
Tomato any flavor	Incompatible
Gargoyle	Status Unknown
Platform
Brand • Model • Rev	ASUS RT-AX1800U
FCC ID	none specified
Type	wireless router
CPU1	MediaTek MT7621AT
CPU1 Type	MIPS 1004Kc
CPU1 Speed	880 MHz ( 2 cores ) 16-bit
Flash1 Chip	Macronix MX30LF1G18AC-TI
Flash1 Size	128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br />
RAM1 Size	256 MiB268,435,456 B <br />2,097,152 Kib <br />262,144 KiB <br />2,048 Mib <br />0.25 GiB <br />
RAM1 Chip	Nanya NT5CC128M16ER-EK
ETH chip1	MediaTek MT7621AT
Switch	MediaTek MT7621AT
Ethernet Port Count	1-1GbE-WAN 3-1GbE-LAN
Wired Standard	IEEE 802.3i/3u/3ab
802dot11 OUI: none specified
Stock bootloader	U-Boot
Stock FW OS	Linux
Expansion IF types	USB 2.0
USB ports	1
USB Hub Compatible	Untested
Power	12 VDC, 1.5 A
Connector type	barrel
Flags: Wi-Fi 6, WPA3, 1024QAM, MU-MIMO, OFDMA, VHT80, HEW80, AiProtection
Other
Default login user: admin Default login password: admin admin:admin credentials used by 1342 additional devices of which 207 are ASUS devices
Manuf/OEM/ODM	SGE
3rd Party Firmware Support	OpenWrt • (List | Dev | DLs)
Radio 1
Chip1	MediaTek MT7905DAN
Chip2	MediaTek MT7975DN
Wireless interface OUI	none specified
Antenna Connector Type	U.FL
MIMO status	2x2:2
Wireless Standard	IEEE 802.11b/g/n/ax
802.11ax	up to 574 Mbps
802.11n	up to 300 Mbps
802.11g	up to 54 Mbps
802.11b	up to 11 Mbps
WiFi Operating Frequency	2.4 GHz
Radio 2
Chip1	MediaTek MT7905DAN
Chip2	MediaTek MT7975DN
Wireless interface OUI	none specified
Antenna Connector Type	U.FL
MIMO status	2x2:2
Wireless Standard	IEEE 802.11a/n/ac/ax
802.11ax	up to 1201 Mbps
802.11ac	up to 867 Mbps
802.11n	up to 300 Mbps
802.11a	up to 54 Mbps
WiFi Operating Frequency	5 GHz

For a list of all currently documented MediaTek chipsets with specifications, see MediaTek.

For a list of all currently documented ASUS device with specifications, see ASUS.

• 1201 Mbps - 2SS 5GHz 802.11ax (80MHz chan., 1024-QAM)

• 574 Mbps - 2SS 2.4GHz 802.11ax (40MHz chan., 256-QAM) = AX1800 class

Overview

See also: ASUS

Specifications

• ASUS RT-AX53U + 1x WAN/3x LAN + USB port (07/2021) √

WiFi 6, AX1800, 2.4GHz AX: 2x2 + 5GHz AX: 2x2

ASUS features: Parental control, AiProtection, 3/4G Dongle

• ASUS RT-AX1800U + 1x WAN/3x LAN + USB port √

WiFi 6, AX1800, 2.4GHz AX: 2x2 + 5GHz AX: 2x2

ASUS features: Parental control, AiProtection, 3/4G Dongle

• ASUS RT-AX1800S + 1x WAN/4x LAN - USB port ±

WiFi 6, AX1800, 2.4GHz AX: 2x2 + 5GHz AX: 2x2

ASUS features: Parental control, AiProtection

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki
OpenWrt Target: ramips
OpenWrt Subtarget: mt7621
OpenWrt Package architecture: mipsel_24kc
Support started version: 22.03.0
Current supported version: 23.05.5
Comment:
160 MHz 5GHz bandwidth not supported

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