TP-LINK TL-WR840N 300Mbps Wireless N Speed Router

TP-Link’s TL-WR840N is a high speed solution that is compatible with IEEE 802.11b/g/n. Based on 802.11n technology, TL-WR840N gives users wireless performance at up to 300Mbps, which can meet your most demanding home networking needs, such as HD streaming, online gaming and large files downloading.

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Network Security

SPI Firewall

Access Control

IP & MAC Binding, Application Layer Gateway

Guest Network

1× 2.4 GHz Guest Network

WiFi Encryption

WEP, WPA, WPA2, WPA/WPA2-Enterprise (802.1x)

Wireless Standards

Wi-Fi 4, IEEE 802.11n/b/g 2.4 GHz

WiFi Speeds

N300, 2.4 GHz: 300 Mbps (802.11n)

WiFi Range

2 Bedroom Houses, 2× Fixed Antennas

WiFi Capacity


Working Modes

Router Mode, Access Point Mode, Range Extender Mode, WISP Mode

Hardware Processor

Single-Core CPU

Ethernet Ports

1× 10/100 Mbps WAN Port, 4× 10/100 Mbps LAN Ports


Reset Button


9 V ⎓ 0.6 A

Software Protocols

IPv4, IPv6

Parental Controls

URL Filtering, Time Controls

WAN Types

Dynamic IP, Static IP, PPPoE, PPTP, L2TP

Quality of Service

QoS by Device

NAT Forwarding

Port Forwarding, Port Triggering, DMZ, UPnP


IGMP Proxy, IGMP Snooping


Address Reservation, DHCP Client List, Server


NO-IP, Comex, DynDNS


Tether App, Webpage, Check Web Emulator

System Requirements

Internet Explorer 11+, Firefox 12.0+, Chrome 20.0+, Safari 4.0+, or other JavaScript-enabled browser, Cable or DSL Modem (if needed), Subscription with an internet service provider (for internet access)




Operating Temperature: 0℃~40℃ (32℉ 70℃ (-40℉ ~158℉), Operating Humidity: 10%~90% non-condensing, Storage Humidity: 5%~90% non-condensing

Test Data

WiFi Transmission Power: CE: <20dBm(2.4GHz), FCC: <30dBm, WiFi Reception Sensitivity: 270M: -68dBm@10% PER, 130M: -68dBm@10% PER, 108M: -68dBm@10% PER, 54M: -68dBm@10% PER, 11M: -85dBm@8% PER, 6M: -88dBm@10% PER, 1M: -90dBm@8% PER

Physical Dimensions

7.2 × 5.0 × 1.4 in (182 × 128 × 35 mm)

Package Contents

Wi-Fi Router TL-WR840N, Power Adapter, RJ45 Ethernet Cable, Quick Installation Guide