Linksys WRT1900ACS v1 (shelby)

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 WRT1900ACS
3rd Party Firmware
dd-wrt	Supported
OpenWrt	Supported
Tomato any flavor	Incompatible
Gargoyle	Supported
Platform
Brand • Model • Rev	Linksys WRT1900ACS v1 (shelby)
FCC ID	Q87-WRT1900ACV2
IC ID	3839A-WRT1900ACV2
Type	wireless router
CPU1	Marvell 88F6820
CPU1 Type	ARMv7 Cortex-A9
CPU1 Speed	1.6 GHz ( 2 cores )
Flash1 Chip	Spansion S34ML01G100TFI00
Flash1 Size	128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br /> (NAND)
RAM1 Size	512 MiB536,870,912 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 88E6172
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, (115200 8N1)
JTAG Port	yes, 20-pin header
Flags: no fan
Additional chips USB 3.0 Host Controller;EtronTech;EJ168A;;1; 2.4GHz Power Amplifier IC;Skyworks;SE2623L;;4; 2.4GHz SPDT switch w/ LNA;Skyworks;SKY85201;;4; 5GHz Power Amplifier Module;RFMD;RFPA5522;;4; 5GHz SPDT switch w/ LNA;Skyworks;SKY85601;;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	07 October 2015
(Est.) initial retail price (in USD):	$229.99
Newegg	9SIAB2753F0077
ASIN	B014MIBLSA
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 802.11a/n/ac
802.11ac	up to 1300 Mbps
N-QAM	up to 600 Mbps
802.11n	up to 450 Mbps
802.11a	up to 54 Mbps
WiFi Operating Frequency	5 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 802.11b/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
FCC ID Linksys WRT1900AC v2 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 device with specifications, see Linksys.

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

• 600 Mbps - 3SS 2.4GHz 802.11n (40MHz chan., 256-QAM) = AC1900 class

Overview

Linksys WRT1900ACS (Shelby)

CPU: Marvell 88F6820-A0 C160 @1.6GHz (Armada 385)

Flash: 128MB (NAND), RAM: 512MB (DDR3)

This device was under short-term confidentiality, but that expired 06/30/2015 ⚠. Linksys WRT1900AC v2 (Cobra)

• Getting to know the Linksys WRT1900AC on Linksys

Linksys WRT1900AC v1 (Mamba) - Dual Core @1.2GHz CPU

CPU: Marvell MV78230; MV78230-B0 C120 @1.2GHz (Armada XP)

Linksys WRT1900AC v2 (Cobra) - Dual-Core @1.3GHz CPU

CPU: Marvell 88F6820; 88F6820-A0 C133 @1.33GHz (Armada 385)

• Product comparison between Linksys WRT1900AC and WRT1900AC v2

CPU: Marvell 88F6820 C133 @1.33MHz (C160 @1.6GHz FCC images)

Uses a 12V 3A power adapter

According to the Description of Change document at the FCC, the following models

are electrically identical. Different model names are for marketing purposes.

• WRT1900ACS, WRT1900ACSV2, WRT1900ACS V2

The Linksys WRT1900AC v2 should also have identical components but possibly

different cooling setups.

Links of Interest

Wikis

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

WRT1900ACS - Marvell Armada 385 @1.6GHz (Shelby)

Notices

• Linksys Announces The WRT1900ACS on SmallNetBuilder
• Linksys WRT1900ACS Dual Band Gigabit Router on C|Net
• Linksys unveils Linux-powered WRT1900ACS router on BetaNews

Reviews

• Linksys WRT1900ACS Gigabit Router Reviewed on SmallNetBuilder
• Linksys WRT1900ACS Dual Band Gigabit Router Review on PCWorld
• Review Linksys WRT1900AC v1 on SmallNetBuilder (+ more tests)
• Review Linksys WRT1900AC on iPon (MV78230 Spec, PCB images)

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)

Flashing

Flashing dd-wrt

Supported by dd-wrt as of = wrt1900acs build 28015 20151023

Install Guide

You must flash an older image and then upgrade via web to a newer image, if the firmware image is over 30MB it will not work from stock firmware.

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki
On the OpenWrt Forum
OpenWrt Target: mvebu
OpenWrt Subtarget: cortexa9
OpenWrt Package architecture: arm_cortex-a9_vfpv3
Support started version: 15.05
Current supported version: 23.05.4

Please insert instructions here

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