Linksys WRT1900ACS

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multiple revisions of this device, use caution
abgn+ac (AC1900)
AC1900 Dual-Band Smart Wi-Fi Wireless Router
Homepage
Support
Wikipedia
WikiDevi.wi-cat.ru
3rd Party Firmware
dd-wrt
OpenWrt
Tomato any flavor
Incompatible
Gargoyle
Platform
BrandModelRev
Linksys WRT1900ACS v1 (shelby)
FCC ID
IC ID
Type
wireless router
CPU1
Marvell 88F6820
CPU1 Type
ARM Cortex-A9 (v7)
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 />
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
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 Flag of the United States.svg
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 v2Q87-WRT1900ACV2
 CPU1 brandRadio1 chip1 brandRadio2 chip1 brand
Linksys WRT1900AC v1MarvellMarvellMarvell
Linksys WRT1900AC v2MarvellMarvellMarvell
Linksys WRT1900ACSMarvellMarvellMarvell

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)

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)
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

WRT1900ACS - Marvell Armada 385 @1.6GHz (Shelby)

Notices

Reviews

Forum threads

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

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
Support started version: 15.05
Current supported version: 23.05.0

Please insert instructions here

See also

List of Four Stream Hardware