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Availability: now

FCC approval date: 01 December 2016
Country of manuf.: China
Series: N300

Type: wireless router

PCB ID: 2050500850

Power: 9 VDC, 0.6 A
Connector type: barrel

CPU1: MediaTek MT7628N (575 MHz)
FLA1: 8 MiB
8,388,608 B
65,536 Kib
8,192 KiB
64 Mib
0.00781 GiB
(GigaDevice GD25Q64B)
RAM1: 64 MiB
67,108,864 B
524,288 Kib
65,536 KiB
512 Mib
0.0625 GiB
(Winbond W9751G6KB-25)

Expansion IFs: none specified

WI1 chip1: MediaTek MT7628N
WI1 802dot11 protocols: bgn
WI1 MIMO config: 2x2:2
WI1 antenna connector: none

ETH chip1: MediaTek MT7628N
Switch: MediaTek MT7628N
LAN speed: 100M
LAN ports: 4
WAN speed: 100M
WAN ports: 1


Stock bootloader: U-Boot 1.1.3 Ralink

Stock FW OS: Linux 2.6.36

Third party firmware supported: LEDE Project (obsolete, re-merged into OpenWrt)

Default SSID: TP-LINK_XXXX (37 addl. devices)
Default IP address:
the IP is used by 738 additional devices
of which 82 are TP-LINK devices
Default login user: admin
Default login password: admin
admin:admin credentials used by 1208 additional devices
of which 249 are TP-LINK devices

802dot11 OUI: F4:F2:6D (5 E, 5 W, 2015), 18:D6:C7 (3 E, 2 W, 2016)
Ethernet OUI: F4:F2:6D (5 E, 5 W, 2015), 18:D6:C7 (3 E, 2 W, 2016)

 CPU1 brandWI1 chip1 brandWI1 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.

300Mbps Wireless Router

Product page  • Support page  • Demo UI

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

Forum threads[edit]

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
- 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)