Linksys WRT1900AC v2

multiple revisions of this device, use caution

abgn+ac (AC1900)
AC1900 Dual-Band Smart Wi-Fi Wireless Router
Homepage	Product page
Support	Support page
Wikipedia	Linksys routers
WikiDevi.wi-cat.ru	Linksys WRT1900AC v2
3rd Party Firmware
dd-wrt	Supported
OpenWrt	Supported
Tomato any flavor	Incompatible
Gargoyle	Supported
Platform
Brand • Model • Rev	Linksys WRT1900AC v2 (cobra)
Serial number prefix	13J2
FCC ID	Q87-WRT1900ACV2
IC ID	3839A-WRT1900ACV2
Board ID	48SAM201.SGF
Type	wireless router
CPU1 Y	Marvell 88F6820
CPU1 Type	ARMv7 Cortex-A9
CPU1 Speed	1.33 GHz ( 2 cores )
Flash1 Chip	Spansion S34ML01G100TFI00
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	512 MiB 536,870,912 B <br />4,194,304 Kib <br />524,288 KiB <br />4,096 Mib <br />0.5 GiB <br />
RAM1 Chip	SK hynix H5TQ2G63FFR-PBC x 2
ETH chip1	Marvell 88F6820
Switch	Marvell 88E6176
Ethernet Port Count	1-1GbE-WAN 4-1GbE-LAN
Wired Standard	IEEE 802.3i/3u/3ab
802dot11 OUI: none specified
Stock bootloader	U-Boot
Stock FW OS	Linux
Expansion IF types	USB 3.0, USB 2.0 / eSATA (combo port)
USB ports	2
eSATA Ports	1
USB Hub Compatible	Untested
Power	12 VDC, 3 A
Connector type	barrel
Serial Port (UART)	yes, 6-pin header, 3.3V TTL, (115200 8N1)
JTAG Port	yes, 20-pin header
Flags: no fan
Additional chips USB 3.0 controller;EtronTech;<???>;;1; 2.4GHz Power Amplifier Module;Skyworks;SE2623L;;4; 5GHz Power Amplifier IC;RFMD;RFPA5522;;4;
Other
Manuf/OEM/ODM	Wistron NeWeb
3rd Party Firmware Support	DD-WRT • (List) , Gargoyle , LEDE Project (obsolete, OpenWrt) • (List) , OpenWrt • (List | Dev | DLs)
Retail
Availability	End of Life
FCC approval date	20 March 2015
(Est.) release date	08 January 2015
UPC	745883598601 (UPC DB, On eBay)
Newegg	N82E16833124531
ASIN	B00IGL3L2E ,  multiple uses
Country of manuf	China
Radio 1
Chip1	Marvell 88W8864
Wireless interface OUI	none specified
Antenna Connector Type	U.FL, RP-SMA
MIMO status	4x4:3
Wireless Standard	IEEE 802.11b/g/n
n-QAM	up to 600 Mbps
802.11n	up to 450 Mbps
802.11g	up to 54 Mbps
802.11b	up to 11 Mbps
WiFi Operating Frequency	2.4 GHz
Radio 2
Chip1	Marvell 88W8864
Wireless interface OUI	none specified
Antenna Connector Type	U.FL, RP-SMA
MIMO status	4x4:3
Wireless Standard	IEEE 802.11a/n/ac
802.11ac	up to 1300 Mbps
802.11n	up to 450 Mbps
802.11a	up to 54 Mbps
WiFi Operating Frequency	5 GHz
FCC ID Linksys WRT1900ACS v1 (shelby) Q87-WRT1900ACV2 Linksys WRT1900ACS v2 (shelby) Q87-WRT1900ACV2
CPU1 brand Radio1 chip1 brand Radio2 chip1 brand Linksys WRT1900AC v1 Marvell Marvell Marvell Linksys WRT1900AC v2 Marvell Marvell Marvell Linksys WRT1900ACS v1 (shelby) Marvell Marvell Marvell Linksys WRT1900ACS v2 (shelby) Marvell Marvell Marvell

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

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

• 600 Mbps - 3SS 2.4GHz 802.11n (40MHz chan., 256-QAM),

• 1300 Mbps - 3SS 5GHz 802.11ac (80MHz chan.) = AC1900 class

Overview

"48SAM201.SGF" is silkscreened on the board in the FCC photos.

OEM: Wistron NeWeb

Linksys WRT1900AC v2 - Cobra

• Product comparison between Linksys WRT1900AC and WRT1900AC v2

CPU: Marvell MV88F6820-A0 C160 @1.33/1.6GHz (FCC images)

Linksys WRT1900AC v2 (cobra)

This device was under short-term confidentiality, but that expired 06/30/2015 ⚠.

Links of Interest

Wikis

• Linksys routers#WRT1900AC on Wikipedia
• Linksys WRT1900AC on the McDebian Wiki
• On the OpenWrt Wiki

WRT1900AC v2 - Marvell Armada 385 @1.3GHz (Cobra)

Reviews

• Linksys WRT1900ACS Dual-Band Gigabit Router on SmallNetBuilder
• Review Linksys WRT1900AC v1 on SmallNetBuilder (+ more tests)
• Getting to know the Linksys WRT1900AC on Lynksys

Linksys WRT1900AC v1 is powered by a Dual Core @1.2GHz CPU

Linksys WRT1900AC v2 is powered by a Dual-Core @1.3GHz CPU

CPU: Marvell 88F6820; 88F6820-A0 C133 @1.33GHz

Uses a 12V/3A power adapter

Forum threads

• Update on Linksys WRT1900AC support on OpenWrt forums (Kaloz)

Support for the WRT1900ACS (Shelby) is available in CC and trunk

• Linksys WRT1900ACS on SNB forums (RMerlin)
• Linksys WRT1900AC/Marvell support on DD-WRT forums

CPU: Marvell 88F6820 C160 @1.6GHz, RAM @800MHz

WRT1900AC v1:

Board: RD-AXP-GP rev 1.0 
SoC:   MV78230 B0 
       running 2 CPUs 
       Custom configuration 
CPU:   Marvell PJ4B (584) v7 (Rev 2) LE 
       CPU 0 
       CPU    @ 1200 [MHz] 
       L2     @ 600 [MHz] 
       TClock @ 250 [MHz] 
       DDR    @ 600 [MHz] 
       DDR 32Bit Width, FastPath Memory Access 
       DDR ECC Disabled 
DRAM:  256 MiB 

WRT1900AC V2:

Board: RD-NAS-88F6820-DDR3 
SoC:   MV88F6820 Rev A0 
       running 2 CPUs 
CPU:   ARM Cortex A9 MPCore (Rev 1) LE 
       CPU 0 
       CPU    @ 1600 [MHz] 
       L2     @ 800 [MHz] 
       TClock @ 200 [MHz] 
       DDR    @ 800 [MHz] 
       DDR 32 Bit Width, FastPath Memory Access, 
            DLB Enabled, ECC Disabled 
DRAM:  512 MiB

See also Talk:Linksys WRT1900AC v2..

Flashing

Flashing dd-wrt

On the DDWRT Forum
Support started version: wrt1900acv2 build 27700 20150820
Current supported version: unknown
Comment:
Install Guide

Please insert instructions here

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki

Target: mvebu
Subtarget: cortexa9
Package architecture: arm_cortex-a9_vfpv3-d16
Supported Since Commit
Support started version: 15.05
Current supported version: 25.12.5

LAN Hardware: Marvell 88E6176
WLAN Hardware: Marvell 88W8864
WLAN Comment: 4x4, no 802.11s mesh support
USB SATA Comment: eSATA <-> USB2
Installation method(s):
see devicepage
Install Comment:
Image name may need to be changed to OEM Code Name
Recovery method(s):
see devicepage
Recovery Comment:
Image name MUST be OEM Code Name
Comment:
[Launch Date: 2015.04] Serial 13J2; OEM Firmware Name: cobra.img

git • >>
mvebu: add support for the Linksys Caiman and Cobra

See also

List of Four Stream Hardware

• Linksys WRT32X
• Linksys WRT3200ACM
• Linksys WRT1900AC v1
• Linksys WRT1900AC v2
• Linksys WRT1900ACS
• Linksys WRT1200AC v1
• Linksys WRT1200AC v2