TP-LINK TL-WR840N v4

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bgn (N300)
300Mbps Wireless Router
Homepage
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Wikipedia
3rd Party Firmware
dd-wrt
Status Unknown
OpenWrt
Tomato any flavor
Incompatible
Gargoyle
Status Unknown
Platform
BrandModelRev
TP-LINK TL-WR840N v4
FCC ID
Board ID
2050500850
Type
wireless router
CPU1
CPU1 Type
MIPS 24KEc
CPU1 Speed
575 MHz 32-bit
Flash1 Chip
GigaDevice GD25Q64B
Flash1 Size
8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />
RAM1 Size
64 MiB67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 GiB <br /> (DDR2)
RAM1 Chip
Winbond W9751G6KB-25
ETH chip1
Switch
Ethernet Port Count
1-100MbE-WAN
4-100MbE-LAN
Wired Standard
IEEE 802.3i/3u

802dot11 OUI: F4:F2:6D (5 E, 5 W), 18:D6:C7 (3 E, 2 W)
Ethernet OUI: F4:F2:6D (5 E, 5 W), 18:D6:C7 (3 E, 2 W)

Stock bootloader
U-Boot 1.1.3 Ralink 4.3.0.0
Stock FW OS
Linux 2.6.36
Expansion IF types
none specified
Power
9 VDC, 0.6 A
Connector type
barrel
Serial Port (UART)
yes, 3.3, (115200 8N1)
Other

Default SSID: TP-LINK_XXXX (46 addl. devices)
Default IP address: 192.168.0.1
the IP 192.168.0.1 is used by 799 additional devices
of which 99 are TP-LINK devices
Default login user: admin
Default login password: admin
admin:admin credentials used by 1342 additional devices
of which 280 are TP-LINK devices

3rd Party Firmware Support
LEDE Project (obsolete, OpenWrt) • (List)
, OpenWrt • (List | Dev | DLs)
Retail
Availability (EU)
FCC approval date 01 December 2016
Country of manuf China
Radio 1
Chip1
Wireless interface OUI
F4:F2:6D, 18:D6:C7
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
 FCC ID
TP-LINK TL-WR841N v13.xTE7WR841NV13
 CPU1 brandRadio1 chip1 brandRadio1 chip2 brand
TP-LINK TL-WR840N v1BroadcomBroadcom
TP-LINK TL-WR840N v1 (China only?)AtherosAtheros
TP-LINK TL-WR840N v2Qualcomm AtherosQualcomm Atheros
TP-LINK TL-WR840N v3Qualcomm AtherosQualcomm Atheros
TP-LINK TL-WR840N v4MediaTekMediaTek
TP-LINK TL-WR840N v5MediaTekMediaTek
TP-LINK TL-WR840N v6MediaTekMediaTek

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

For a list of all currently documented TP-LINK device with specifications, see TP-LINK.

300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = N300 class

Overview

"2050500850" and "1642" is silkscreened on the board in the FCC photos.

Links of Interest

Forum threads

Note: TL-WR840N v4 have 5 leds: power, wifi, lan (one led for all ports), wan, lock(wps).
TL-WR841N v13 have 8 leds: power, wifi, lan4, lan3, lan2, lan1, wan, lock(wps).
ramips: add initial support for TP-LINK TL-WR840N v4
Specification:
- SoC: MediaTek MT7628NN (580MHz)
- RAM: 64 MiB (Winbond W9751G6JB-25)
- Flash: 8 MiB (GigaDevice GD25Q64CSIG)
- LAN: 4x 100M
- WAN: 1x 100M
- Antennas: 2x non-detachable
- LED: 5x green
- Buttons: 1x reset
CPU: MediaTek MT7628NN @575MHz
Flash: GigaDevice GD25Q64B (8MB)
RAM: Winbond W9751G6KB-25 (64MB)
CPU: MediaTek MT7628NN @575MHz
Flash: GigaDevice GD25Q32B (4MB)
RAM: ESMT M14D5121632A (64MB)

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki
OpenWrt Target: ramips
OpenWrt Subtarget: mt76x8
OpenWrt Package architecture: mipsel_24kc
Support started version: 18.06.0
Current supported version: 23.05.5

Please insert instructions here