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ASUS RT-AC68 U (v1S)
Availability: common

Manuf (OEM/ODM): Askey

FCC approval date: 30 September 2013
(Est.) release date: 09 October 2013
(Est.) initial retail price (in USD): $220
UPC: 886227419005 (UPC DB, On eBay)
Country of manuf.: China
Serial Num Prefix: (90IG00C1-BM3000)
Series: AC1900

Amazon image

B00FB45SI4 (Flag of the United States.svg, On Amazon, On CCC)
multiple revisions of this device, use caution
On Newegg

Type: wireless router

IC ID: 3568A-RTAC68U

Power: 19 VDC, 1.75 A
Connector type: barrel

CPU1: Broadcom BCM4708A0 (800 MHz, 2 cores)
FLA1: 128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br /> (Spansion S34ML01G100TFI00)
RAM1: 256 MiB268,435,456 B <br />2,097,152 Kib <br />262,144 KiB <br />2,048 Mib <br />0.25 GiB <br /> (ESMT M15F2G16128A-ADB)

Expansion IFs: USB 2.0, USB 3.0
USB ports: 2
Serial: yes, 4-pin header

WI1 chip1: Broadcom BCM4360
WI1 802dot11 protocols: bgn
WI1 MIMO config: 3x3:3
WI1 antenna connector: RP-SMA
WI2 chip1: Broadcom BCM4360
WI2 802dot11 protocols: an+ac
WI2 MIMO config: 3x3:3
WI2 antenna connector: RP-SMA

ETH chip1: Broadcom BCM4708A0
Switch: Broadcom BCM4708A0
LAN speed: 1GbE
LAN ports: 4
WAN speed: 1GbE
WAN ports: 1


Additional chips
2.4GHz Power Amplifier IC;Richwave;RTC6649E;;3;
5GHz Power Amplifier IC;Skyworks;SE5023L;SiGe, 5023L, TW;3;

Stock bootloader: CFE

Stock FW OS: Linux 2.6.36 brcmarm

TPFirmware supported: AsusWRT-Merlin • (Wiki | List), DD-WRT • (List), Tomato (Shibby) • (List | DLs), TomatoUSB RAF (Victek) • (List | DLs), FreshTomato • (List | DLs)

Flags: AiCloud support, AiMesh

Default SSID: ASUS (94 addl. devices)
, ASUS_5G (44 addl. devices)
Default IP address:
the IP is used by 1248 additional devices
of which 162 are ASUS devices
Default login user: admin
Default login password: admin
admin:admin credentials used by 1281 additional devices
of which 192 are ASUS devices

802dot11 OUI: 74:D0:2B (-, 1 W)
Ethernet OUI: 74:D0:2B (-, 1 W)

 CPU1 brandWI1 chip1 brandWI2 chip1 brand
ASUS RT-AC68PBroadcomBroadcomBroadcom
ASUS RT-AC68UBroadcomBroadcomBroadcom
ASUS RT-AC68U ExtremeBroadcomBroadcomBroadcom
ASUS RT-AC68U V3BroadcomBroadcomBroadcom
ASUS RT-AC68UFBroadcomBroadcomBroadcom

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

1300 Mbps max PHY rate for the 80MHz wide 5GHz channel,
600 Mbps max. PHY rate for the 40MHz wide 2.4GHz channel = 1900 Mbps class

Wireless-AC1900 Dual Band Gigabit Router

Product page
  • Model Part Num: 90IG00C1-BM3000

Wi-Fi Certified : WFA19421 (alt.) (as of 08/29/2013)

This certification also applies to the RT-AC68R.

This device would seem to be running Linux kernel (brcmarm).

Note: A tag line of 802.11ac Concurrent Dual-band AC1900 Router (600Mbps/2.4GHz* +
1300Mbps/5GHz) w/ ASUSWRT source to the RT-AC68U, RT-AC68U v2, RT-AC69U.

FCC info

  • The ASUS logo, "RT-AC68U" and "REV 1.60" is silkscreened on the board.
  • The manufacturer stated in the test report is Askey Technology (Jiangsu)

Per the FCC photos...

  • The SoC used would seem to be BCM4708A0/BCM4709A0
(BCM470[8/9]A0KFEBG, TT1311 P10, 272573-04 B18)
Visual inspection of actual product confirms BCM4708A
  • Two BCM4360 provide the wireless interfaces for this device.
  • The shown power supply is an ASUS branded AD890326
(100-240VAC ~ 50/60Hz, 0.8A -> 19VDC, 1.75A).

Additional specifications

per ASUS's product page
  • Expansion IFs: 1x USB 2.0, 1x USB 3.0
  • Dimensions (W x H x D): 220 mm x 160 mm x 83.3 mm
  • Weight: 640 g0.64 kg <br />22.573 oz <br />1.411 lbs <br />


Per SNB's conversation w/ Broadcom, TurboQAM functionality is integrated
into Broadcom 802.11ac chips - allowing QAM256 usage in 2.4GHz band.

Forum threads

Image of the device on maylyn's AC66U review thread

Third party firmware support


Additional vendor links

On Newegg (preorder only) (source of the release date and price)

See also

T-Mobile Personal Cellspot Router (TM-AC1900)


  • T-Mobile released a wireless router rebranded from the RT-AC68U.
The T-Mobile rebranded version has a custom proprietary firmware
that is modified for optimizing the T-Mobile Wi-Fi calling feature.
This router requires a refundable $25 deposit (or none if qualified) for postpaid
plan customers [$99 for retail pricing/prepaid accounts] since this is a lease.

  • Notice: If you got this router as a postpaid customer, keep in mind that T-Mobile expects
it back after you cancel your T-Mobile service or if a coverage line is disconnected
from a family/multiple line account within 45 days after cancellation/disconnection.
Failure to do so may incur a $99 non-return fee. If the router is returned damaged, $25.
[This doesn't apply to prepaid customers or if bought in retail price.]