Product Details


TP-Link TL-WN781ND 150Mbps Wireless N PCI Express Adapter


Upgrade your network speed with TP-Link TL-WN781ND 150Mbps Wireless N PCI Express Adapter. Effortlessly enhance connectivity for seamless browsing and streaming with this reliable and high-speed wireless solution.

> Up to 150Mbps wireless transmission rate
> Provides PCI Express interface
> Advanced secure connection with WPA/WPA2 encryption
> Bundled utility enables easy management


The TP-Link TL-WN781ND 150Mbps Wireless N PCI Express Adapter offers a seamless and reliable solution for adding wireless connectivity to your desktop computer. With its PCI Express interface, this adapter ensures a stable and high-speed connection to your network without the need for additional cables or dongles cluttering your workspace.

Designed for efficiency and performance, the TL-WN781ND supports wireless speeds of up to 150Mbps, making it suitable for everyday tasks such as web browsing, emailing, and online video streaming. Whether you’re gaming online or downloading large files, this adapter provides a dependable connection that keeps up with your demands.

Installation is hassle-free thanks to the adapter’s plug-and-play design and easy-to-follow setup wizard. Simply insert the card into an available PCI Express slot on your desktop motherboard, install the included drivers, and you’re ready to go. The adapter is compatible with most Windows operating systems, ensuring broad compatibility across various desktop setups.

Equipped with two detachable antennas, the TL-WN781ND delivers enhanced signal strength and coverage, allowing you to connect reliably even in areas with weak Wi-Fi signals. The antennas can be adjusted and positioned for optimal reception, reducing dead spots and ensuring a more stable connection throughout your home or office.

Advanced security features, including WPA/WPA2 encryption, protect your network from unauthorized access, keeping your data safe and secure. Whether you’re browsing the web or transferring sensitive files, you can trust that your connection is protected against potential threats.

The compact and low-profile design of the TL-WN781ND ensures compatibility with a wide range of desktop computer cases, while also minimizing interference with other components. Its sleek and unobtrusive form factor blends seamlessly into your system, maintaining a clean and organized appearance.

In conclusion, the TP-Link TL-WN781ND 150Mbps Wireless N PCI Express Adapter offers a convenient and reliable solution for adding wireless connectivity to your desktop computer. With its easy installation, fast speeds, robust security features, and adjustable antennas, this adapter provides everything you need to stay connected in today’s wireless world. View All Products 

Weight 0.2 kg
Dimensions 20.73 × 14.81 × 3.81 cm


Interface PCI Express
Dimensions ( W x D x H ) 4.8 x 3.1 x 0.8in. (120.8 x 78.5 x 21.5mm)
Antenna Type Detachable Omni Directional (RP-SMA)
Antenna Gain 2dBi
Wireless Standards IEEE 802.11n, IEEE 802.11g, IEEE 802.11b
Frequency 2.400-2.4835GHz
Signal Rate 11n: Up to 150Mbps(dynamic)
11g: Up to 54Mbps(dynamic)
11b: Up to 11Mbps(dynamic)
Reception Sensitivity 130M: -68dBm@10% PER
108M: -68dBm@10% PER
54M: -68dBm@10% PER
11M: -85dBm@8% PER
6M: -88dBm@10% PER
1M: -90dBm@8% PER
Transmit Power <20dBm(EIRP)
Wireless Modes Ad-Hoc / Infrastructure mode
Wireless Security Support 64/128 bit WEP, WPA-PSK/WPA2-PSK
Modulation Technology DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM
Certification CE, FCC, RoHS
Package Contents Wireless Adapter
Detachable Omni directional antenna
Resource CD
Quick Installation Guide
System Requirements Windows 8.1/8(32/64bits), Windows 7(32/64bits), Windows Vista(32/64bits), Windows XP(32/64bits)
Environment Operating Temperature: 0℃~40℃ (32℉~104℉)
Storage Temperature: -40℃~70℃ (-40℉~158℉)
Operating Humidity: 10%~90% non-condensing
Storage Humidity: 5%~90% non-condensing


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Why Choose Us ?

Easy Returns and Refunds

Competitive Pricing

100% Authentic​

Secured Transactions


Product Warranty