ASUS RT-AX52

multiple revisions of this device, use caution
abgn+ac+ax (AX1800)
	AX1800 Dual Band Wi-Fi 6 Router
Homepage	Product page
Downloads	Download page
Wikipedia	Asus routers
WikiDevi.wi-cat.ru	ASUS RT-AX52
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Supported
Tomato any flavor	Incompatible
Gargoyle	Status Unknown
Platform
Brand • Model • Rev	ASUS RT-AX52 v1
FCC ID	MSQ-RTAX52
IC ID	3568A-RTAX52
Type	wireless router
CPU1	MediaTek MT7981BA
CPU1 Type	ARM Cortex-A53
CPU1 Speed	1.3 GHz ( 2 cores ) 64-bit
Flash1 Chip	ESMT F50L1G41LB-104
Flash1 Size	128 MiB 134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br /> (NAND)
RAM1 Size	256 MiB 268,435,456 B <br />2,097,152 Kib <br />262,144 KiB <br />2,048 Mib <br />0.25 GiB <br />
RAM1 Chip	Nanya NT5CC128M16JR-EK
ETH chip1	MediaTek MT7981BA
Switch	MediaTek MT7531AE
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	none specified
Power	12 VDC, 1 A
Connector type	barrel
Serial Port (UART)	yes, 4-pin header, JP1, (115200 8N1)
	Flags:; Wi-Fi 6, HEW80, 1024QAM, MU-MIMO, OFDMA, WPA3
Other
	Default login user: admin; Default login password: admin; admin:admin credentials used by 1358 additional devices; of which 209 are ASUS devices
3rd Party Firmware Support	OpenWrt • (List \| Dev \| DLs);
Retail
(Est.) release date	April 2024
Country of manuf	China
Radio 1
Chip1	MediaTek MT7981BA
Chip2	MediaTek MT7976CN
Wireless interface OUI	none specified
Antenna Connector Type	MHF4
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 MT7981BA
Chip2	MediaTek MT7976CN
Wireless interface OUI	none specified
Antenna Connector Type	MHF4
MIMO status	2x3:2
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 devices with specifications, see ASUS.

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

• 1201 Mbps - 2SS 5GHz 802.11ax (80MHz chan., 1024-QAM) = AX1800 class

Overview

ASUS RT-AX52 (AX1800) Dual Band WiFi 6 Extendable Router, Instant Guard, Parental Control Scheduling, Built-in VPN, AiMesh Compatible

Links of Interest

Models

ASUS RT-AX52 (AX1800) • AX1800 Dual Band WiFi 6 Router • PPage
ASUS RT-AX53U (AX1800) • AX1800 Dual Band WiFi 6 Router • PPage
ASUS RT-AX1800U (AX1800) • AX1800 Dual Band WiFi 6 Router • PPage
ASUS RT-AX1800S (AX1800) • AX1800 Dual Band WiFi 6 Router • PPage

FCC ID: MSQ-RTAX8E00 • MediaTek MT7621AT/MT7905DAN/MT7975DN

ASUS RT-AX1800 (AX1800) • AX1800 Dual Band WiFi 6 Router • PPage
ASUS RT-AX55 (AX1800) • AX1800 Dual Band WiFi 6 Router • PPage

FCC ID: MSQ-RTAX8A00 (08/06/2020) • Broadcom BCM6755/BCM53134O

Flashing

NOTE: During configuration or flashing a device, the only things that should be hooked to the device is the computer and power.

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)

Target: mediatek
Subtarget: filogic
Package architecture: aarch64_cortex-a53
Supported Since Commit
Support started version: 24.10.2
Current supported version: 25.12.5

LAN Hardware: MediaTek MT7531AE
WLAN Hardware: MediaTek MT7981BA, MediaTek MT7976CN
Installation method(s):
GUI OEM
Recovery method(s):
see git-commit

git • >>

mediatek: filogic: add support for ASUS RT-AX52
Hardware
--------
SOC:   MediaTek MT7981b
RAM:   256MB DDR3
FLASH: 128MB SPI-NAND (Winbond W25N01GV)
WIFI:  Mediatek MT7981b DBDC 802.11ax 2.4/5 GHz
ETH:   MediaTek MT7531 Switch
UART:  3V3 115200 8N1 (Pinout silkscreened / Do not connect VCC)

Installation
-----------------------------------------------------------
Vendor-UI Method
-----------------------------------------------------------
1. Download the OpenWrt initramfs.trx image.

2. Connect the PC via LAN to one of the yellow router ports and wait
   until your PC to get a DHCP lease.

3. Browse to http://192.168.50.1

4. If your router is brand new, finish the setup process and log into
   the Web-UI.

5. Navigate to Administration -> Firmware Upgrade and upload the
   downloaded OpenWrt image.

6. Wait for OpenWrt to boot. Transfer the sysupgrade image to the device
   using scp and install using sysupgrade.

   $ sysupgrade -n <path-to-sysupgrade.bin>
-----------------------------------------------------------
TFTP Method
-----------------------------------------------------------
1. Download the OpenWrt initramfs image. Copy the image to a TFTP server
   reachable at 192.168.1.70/24. Rename the image to rtax52.bin.

2. Connect the PC with TFTP server to the RT-AX52.
   Set a static ip on the ethernet interface of your PC.
     (ip address: 192.168.1.70, subnet mask:255.255.255.0)
  Conect to the serial console,
   interrupt the autoboot process by pressing '4' when prompted.

3. Download & Boot the OpenWrt initramfs image.

   $ setenv ipaddr 192.168.1.1
   $ setenv serverip 192.168.1.70
   $ tftpboot 0x46000000 rtax52.bin
   $ bootm 0x46000000

4. Wait for OpenWrt to boot. Transfer the sysupgrade image to the device
   using scp and install using sysupgrade.

   $ sysupgrade -n <path-to-sysupgrade.bin>
---------------------------------------------------------------------------
Revert to stock firmware:
1: Download the rt-ax52 firmware from ASUS official website. Save
   the firmware to tftp server directory and rename to RT-AX52.trx

2: Connect the PC with TFTP server to the RT-AX52.
   Set a static ip on the ethernet interface of your PC.
     (ip address: 192.168.1.70, subnet mask:255.255.255.0)

3: Conect to the serial console,  power on again,  interrupt the
   autoboot process by pressing '4' when prompted.
  $: ubi remove linux
  $: ubi remove jffs2
  $: ubi remove rootfs
  $: ubi remove rootfs_data
  $: ubi create linux 0x45fe000
  $: reset

  Then the dut will reboot,interrupt the autoboot process by
  pressing '2' when prompted.
       2: Load System code then write to Flash via TFTP.
       Warning!! Erase Linux in Flash then burn new one. Are you sure?(Y/N)
       $: enter y
  you will see the follow, type enter directly:
       Input device IP (192.168.1.1) ==:
       Input server IP (192.168.1.70) ==:
       Input Linux Kernel filename (RT-AX52.trx) ==:

4: wait for the device run up

Based on support for ASUS RT-AX52 by liudongdongdong7397
and trx image generation by remittor

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ASUS RT-AX52

Overview

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Flashing

Flashing OpenWrt

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