ASUS RT-ACRH12

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abgn+ac (AC1200)
AC1200 Dual Band WiFi Router
Homepage Product page
Wikipedia Asus routers
WikiDevi.wi-cat.ru ASUS RT-ACRH12
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Partial Support
Tomato any flavor Incompatible
Gargoyle Status Unknown
Platform
Brand • Model • Rev ASUS RT-ACRH12
FCC ID MSQ-RTACRH01
IC ID 3568A-RTACRH01
Type wireless router
CPU1 checkY Qualcomm QCN5502
CPU1 Type MIPS 74Kc
CPU1 Speed 775 MHz
Flash1 Chip Winbond Model?
Flash1 Size 16 MiB 16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br />
RAM1 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 Chip Winbond W971GG6SB-25
ETH chip1 Qualcomm QCN5502
Switch Qualcomm Atheros QCA8337
Ethernet Port Count 1-1GbE-WAN
4-1GbE-LAN
Wired Standard IEEE 802.3i/3u/3ab

802dot11 OUI: none specified

Stock bootloader U-Boot
Expansion IF types USB 2.0
USB ports 1
USB Hub Compatible Untested
Power 12 VDC, 1.5 A
Connector type barrel
Serial Port (UART) yes, 3.3V TTL, (115200 8N1)

Flags:
Wave2, MU-MIMO, Dual WAN

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
FCC approval date 23 August 2019
ASIN B0845P5H7T
Country of manuf China
Radio 1
Chip1 Qualcomm QCN5502
Wireless interface OUI none specified
Antenna Connector Type none specified
MIMO status 2x2:2
Wireless Standard IEEE 802.11b/g/n
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 Qualcomm Atheros QCA9888
Wireless interface OUI none specified
Antenna Connector Type none specified
MIMO status 2x2:2
Wireless Standard IEEE 802.11a/n/ac
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-AC1300G Plus v3MSQ-RTACRH01
ASUS RT-AC57U v2MSQ-RTACRH01
ASUS RT-AC58U v2MSQ-RTACRH01
ASUS RT-AC59UMSQ-RTACRH01
ASUS RT-AC59U v2MSQ-RTACRH01
ASUS RT-ACRH15MSQ-RTACRH01
ASUS RT-N19MSQ-RTACRH01
ASUS RT-N600RUMSQ-RTACRH01

For a list of all currently documented Qualcomm chipsets with specifications, see Qualcomm.
For a list of all currently documented Qualcomm Atheros (QCA) chipsets with specifications, see Qualcomm Atheros.

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

• 300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.),
• 867 Mbps - 2SS 5GHz 802.11ac (80MHz chan.) = AC1200 class

Overview

See also: ASUS RT-ACRH15 and ASUS RT-AC1200GE

Flashing

Flashing OpenWrt

Target: ath79
Subtarget: generic
Package architecture: mips_24kc
Supported Since Commit
Support started version: 24.10.0
Current supported version: 25.12.2
Unsupported Functions:
WiFi 2.4GHz
LAN Hardware: Qualcomm Atheros QCA8337
WLAN Hardware: Qualcomm QCN5502, Qualcomm Atheros QCA9888
Installation method(s):
TFTP generic, see git-commit
Recovery method(s):
see git-commit
git • >> 
ath79: add support for ASUS RT-AC59U / ZenWiFi CD6
ASUS RT-AC59U / RT-AC59U v2 are wi-fi routers with a large number of
alternate names, including RT-AC1200GE, RT-AC1300G PLUS, RT-AC1500UHP,
RT-AC57U v2/v3, RT-AC58U v2/v3, and RT-ACRH12.

ASUS ZenWiFi AC Mini(CD6) is a mesh wifi system. The unit labeled CD6R
is the router, and CD6N is the node.

Hardware:

- SoC: QCN5502
- RAM: 128 MiB
- UART: 115200 baud (labeled on boards)
- Wireless:
  - 2.4GHz: QCN5502 on-chip 4x4 802.11b/g/n
    currently unsupported due to missing support for QCN550x in ath9k
  - 5GHz: QCA9888 pcie 5GHz 2x2 802.11a/n/ac
- Flash: SPI NOR
  - RT-AC59U / CD6N: 16 MiB
  - RT-AC59U v2 / CD6R: 32 MiB
- Ethernet: gigabit
  - RT-AC59U / RT-AC59U v2: 4x LAN 1x WAN
  - CD6R: 3x LAN 1x WAN
  - CD6N: 2x LAN
- USB:
  - RT-AC59U / RT-AC59U v2: 1 port USB 2.0
  - CD6R / CD6N: none

WiFi calibration data contains valid MAC addresses.

The initramfs image is uncompressed because I was unable to boot a
compressed initramfs from memory (gzip or lzma). Booting a compressed
image from flash works fine.

Installation:

To install without opening the case:

- Set your computer IP address to 192.168.1.10/24
- Power up with the Reset button pressed
- Release the Reset button after about 5 seconds or until you see the
  power LED blinking slowly
- Upload OpenWRT factory image via TFTP client to 192.168.1.1

Revert to stock firmware using the same TFTP method.

Signed-off-by: Wenli Looi

See also

ASUS Wireless Routers Products
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