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Home
Create a fast and reliable Wi-Fi
Easy ways to expand and enhance your network
Keeping your home wired for quality connections
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Smart Home
Keeping an eye on what matters
Smarten up your home devices
Light for every occasion
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Business
High-Speed wired networking from L3 managed to unmanaged
Professional business Wi-Fi with centralized management
The smarter cloud solution for business networking
Ideal for long range wireless broadband networking
Secure VPN and Load Balance gateways to the business
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Service Provider
Capable of high-speed network and integrated broadband applications
The reliable choice for home networking
Maintains internet access wherever you go.
The leading technology for delivering gigabit Internet services
Transforms electrical wiring to carry the network signal.
Easily expand your Wi-Fi coverage.
Boosts your business network with premium performance.
Takes your enterprise Wi-Fi to new levels.
TL-WN781ND
150Mbps Wireless N PCI Express Adapter
- Up to 150Mbps wireless transmission rate
- Provides PCI Express interface
- Advanced secure connection with WPA/WPA2 encryption
- Bundled utility enables easy management
What This Product Does
TP-LINK TL-WN781ND is designed to provide a complete end-to-end wireless performance from the server or server backbone to the switch infrastructure and down through to the desktop with the PCI Express connector. TL-WN781ND Wireless N PCI Express(x1) Adapter provides a wider compatibility, fitting with any standard PCI Express slot, x1, x2, x8, or x16. Compared with standard PCI network cards, it offers increased bandwidth, reliability and more functionality, allowing you to enjoy a fast and advanced connection, such as downloading, making internet call and video streaming.

Wireless N - Speed & Range
Complying with the IEEE 802.11n standard, TL-WN781ND can easily establish a wireless network and get up to 9X the speed and 4X the range of conventional 11g products. Compared with legacy 54M products, TL-WN781ND delivers performance enhancements, allowing you to have a more joyful surfing experience, including sharing files, watching streaming media.
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WPA / WPA2 Encryptions
WPA/WPA2 encryption standards ensure your wireless connection is safe from intruders.
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Detachable Antenna
The antenna can be replaced with diverse antennas to show even greater flexibility and wider wireless coverage.
HARDWARE FEATURES | |
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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 FEATURES | |
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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 |
OTHERS | |
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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 |
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