ASUS RT-AX55

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abgn+ac+ax (AX1800)
AX1800 Dual Band WiFi 6 Router
Homepage Product page
Wikipedia Asus routers
WikiDevi.wi-cat.ru ASUS RT-AX55
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Supported
Tomato any flavor Status Unknown
Gargoyle Status Unknown
Platform
Brand • Model • Rev ASUS RT-AX55
Serial number prefix 90IG06C0-BO3100
FCC ID MSQ-RTAX8A00
Type wireless router
CPU1 checkY Broadcom BCM6755
CPU1 Type ARM Cortex-A7
CPU1 Speed 1.5 GHz ( 4 cores )
Flash1 Chip Macronix MX30LF1G18AC-TI
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 />
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 NT5CC128M16ER-EK
ETH chip1 Broadcom BCM6755
Switch Broadcom BCM53134O
Ethernet Port Count 1-1GbE-WAN
4-1GbE-LAN
Wired Standard IEEE 802.3i/3u/3ab

802dot11 OUI: none specified

Expansion IF types none specified
Power 12 VDC, 2 A
Connector type barrel

Flags:
Wi-Fi 6, WPA3, 1024QAM, MU-MIMO, OFDMA, VHT80, HEW80, AiMesh, AiProtection

Other

Default IP address: 192.168.50.1
the IP 192.168.50.1 is used by 23 additional devices
of which 23 are ASUS devices
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
FCC approval date 27 August 2019
(Est.) release date May 2020
Country of manuf China
Radio 1
Chip1 Broadcom BCM6755
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 Broadcom BCM6755
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
 FCC ID
ASUS RT-AX56U v2MSQ-RTAX8A00

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

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

See also: ASUS and ASUS RT-AX1800

Links of Interest

Reviews

Flashing

Flashing OpenWrt

Target: qualcommax
Subtarget: ipq50xx
Package architecture: aarch64_cortex-a53
Supported Since Commit
Support started version: unknown
Current supported version: snapshot
LAN Hardware: Realtek RTL8367S
WLAN Hardware: IPQ5018 + QCN6122
Installation method(s):
GUI OEM
Recovery method(s):
Asus Firmware Restoration tool
git • >> 
qualcommax: add support for TP-Link Archer AX55 v1
TP-Link Archer AX55 v1 is an IPQ5018 Wi-Fi 6 router.

Hardware:
  SoC:    Qualcomm IPQ5018 (dual Cortex-A53)
  RAM:    512 MiB
  Flash:  128 MiB SPI-NAND (dual firmware slots)
  Switch: Realtek RTL8367S (5x GbE), 2.5G HSGMII trunk to gmac1
  WiFi:   IPQ5018 2.4 GHz + QCN6122 5 GHz (ath11k)
  USB:    1x USB 3.0 port, SuperSpeed, using the IPQ5018 SS uni PHY;
          the port's 5 V rail is a GPIO-switched regulator wired as the
          PHY's vdd-supply, the way the MR5500 does it
  Button: Reset, WPS/Wi-Fi
  LED:    power, LAN, WAN (green/orange), 2.4G, 5G, USB

All five front jacks are RTL8367S ports (DSA): blue "WAN" = wan,
LAN1-4 = lan1..lan4, over the 2.5G HSGMII trunk.

The factory MAC is the "default-mac" file in the tp_data UBIFS volume
(there is no raw nvmem cell for it). The volume is attached and mounted
read-only during preinit, so board.d assigns the wired MACs (label MAC
for lan/eth0, +1 for wan) the usual way and the ath11k caldata hotplug
derives the Wi-Fi MACs (+2/+3) from the same mount - the same scheme
the mt7981 archer-ax80-v1 uses for its tp_data. gmac1 has no nvmem MAC
source, so the DSA conduit is pinned to the label MAC in board.d to
keep it stable across boots.

The board data files live in firmware_qca-wireless, where they were
merged as f2c37a6b9d1d; this commit pins the ipq-wifi package to that
revision and adds the package entry for the board.

Note on revisions: some units labelled "v1" carry an RTL8367D-family
switch (chip id 0x6642) instead of the RTL8367S. rtl8365mb cleanly
declines it ("unrecognized switch"), so such a unit boots with no wired
ports, and with Wi-Fi off by default it is only reachable via the
vendor web recovery (or serial). RTL8367D support in rtl8365mb is being
worked on by others; until it lands the wiki page carries a prominent
warning to identify the switch before flashing. v2/v4 are entirely
different hardware and are not covered by this image.

Installation (serial console on the JP1 header, 115200 8N1, 1.8 V; note
the RX trace is gapped and must be bridged to type): interrupt U-Boot,
TFTP-boot the initramfs image to 0x44000000, "bootm", then "sysupgrade -n".
A serial-free path (a telnet-enabled resigned stock image flashed from the
vendor web UI, then writing the OpenWrt image to the inactive slot) is
documented on the device wiki page; that path consumes the
initramfs-factory.ubi artifact, which is the initramfs kernel wrapped in
a UBI image so it can be written straight into the inactive rootfs
partition with mtd from the running stock firmware.

Recovery to stock: hold Reset while powering on, set the PC to
192.168.0.10, and upload an official signed TP-Link image at
http://192.168.0.1.

Signed-off-by: Stanislaw Pal <kuncy7@gmail.com>

Co-Authored-By: Claude Opus 5
Link: https://github.com/openwrt/openwrt/pull/24197
Signed-off-by: Robert Marko

Pictures

Retail Images

See also

ASUS AX (Wi-Fi 6) See also

Models

List of 802.11ax Hardware • ASUS Wireless Routers
FCC ID: MSQ-RTAXJ300 (2020-06-17) • (HND-963178_BASE)/96750GW
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
FCC ID: MSQ-RTAX8A00 (2020-08-06)
FCC ID: MSQ-RTAXHY00 (2019-08-27)
FCC ID: MSQ-RPAX4W00 (2020-08-11)
FCC ID: MSQ-RTAXJ300 (2020-06-17)
FCC ID: MSQ-RTAXIA00 (2020-08-05) 19V/1.75A
FCC ID: MSQ-RTAXJ300 (2020-06-17)
FCC ID: MSQ-RTAXI600 (2020-02-12)
FCC ID: MSQ-RTHR00 (2020-03-05) • ASUS GT-AX11000
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