TP-LINK / TP-LINK TL-WN781N 150M PCI-E desktop computer wifi built-in wireless card

TP-LINK / TP-LINK TL-WN781N 150M PCI-E desktop computer wifi built-in wireless card

Product description:

Product parameters:

  • Product Name: TP-LINK TL-WN781N
  • Brand: TP-Link / Cape linking technology
  • Model: TL-WN781N
  • Condition: New
  • Are Wireless: Wired
  • LAN jack: MINI-PCI
  • Transmission speed: 150Mbps
  • Application Network type: Ethernet
  • Service: Genius

150M Wireless PCI-E card

  • 11N wireless technology, 150Mbps wireless speed
  • CCA technology to enhance wireless stability, expand wireless coverage
  • QSS fast security settings, wireless network more secure, more convenient settings
  • Supports analog AP (Soft AP) function, access to computers with Internet access, it can be used as a wireless AP, for mobile phones, Pad Internet

Powerful wireless performance

TL-WN781N using 11N wireless technology, wireless transmission rates of up to 150Mbps. Compared to traditional 54Mbps 11G products, with higher wireless bandwidth, allowing data transmission within the LAN more efficient, can effectively reduce the network delay, make voice and video, online games, online on-demand and more smoothly.

TL-WN781N also used the CCA (Clear Channel Assessment) empty channel detection technology, when it detects the surrounding wireless signal interference, it can automatically adjust bandwidth mode to avoid channel interference, make wireless signals more stable. When the interference disappears, but also automatically bundled idle channel, make full use of channel bundling advantages, enhance wireless performance.

Comprehensive security

TL-WN781N support WPA-PSK / WPA2-PSK, WPA / WPA2 security and WEP encryption, all-round protection of wireless networks will not be violated, and theft.

TL-WN781N features have QSS fast security settings, in line with WPS standards. In cooperation with a wireless router QSS or WPS function use, just enter the router's PIN code on the computer, you can complete more secure than traditional WEP encryption WPA2 grade wireless security connection, no need to remember complex passwords.

Analog AP function, access to computers with internet access, can be used as a wireless AP, for mobile phones, Pad Internet

The TL-WN781N into the computer with Internet access, open the Soft AP function, then it is equivalent to a wireless AP, can support other laptops, cell phones, Pad and other wireless Internet devices. Detailed configuration guide, please click here.

Hardware Specifications

Wireless feature

Software features


  • PCI-E 2.0


  • External fixed omni-directional antenna


  • 120.8 mm x 78.5 mm x 21.5 mm


  • Operating temperature: 0 ℃ ~ 40 ℃ (32 ℉ ~ 104 ℉)
  • Storage temperature: -20 ℃ ~ 70 ℃ (-4 ℉ ~ 158 ℉)
  • Humidity: 10% ~ 95% RH non-condensing

Package Contents

  • 11N Wireless PCI-E card TL-WN781N
  • CD-ROM drive
  • User's manual
  • Warranty Card
  • Toxic and hazardous substances Description

Follow the standard

  • IEEE 802.11n; IEEE 802.11g; IEEE 802.11b

Transmission rate

  • 11b: 1/2 / 5.5 / 11Mbps
  • 11g: 6/9/12/18/24/36/48 / 54Mbps
  • 11n: Up to 150Mbps

Frequency Range

  • 2.4 ~ 2.4835GHz

Working channel

  • 1~ 13

Transmit power

  • 20dBm (Max)

Security Features

  • WPA / WPA2
  • 64/128/152 bit WEP encryption
  • QSS fast security settings
Other functions
  • Analog AP function (only Win7, Win8 with the support)

Operating System Support

  • Windows 2000 / XP / XP64 / Vista / Vista64;
  • Windows 7 / Windows7 x64
  • Windows 8 / Windows8 x64

NOTE: In order to get a better system compatibility, we recommend that you install the latest system upgrade patch