TP-Link TL-WN851ND 300Mbps Wireless N PCI Adapter LP Bracket


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TP-Link TL-WN851ND 300Mbps Wireless N PCI Adapter LP Bracket Product Description

TP-Link 300Mbps Wireless N PCI Adapter with low profile brackets

Wireless N PCI Adapter TL-WN851ND allows you to connect a desktop computer to a wireless network and access high-speed Internet connection. Comply with IEEE 802.11n, they provide wireless speed up to 300Mbps, which is beneficial for the online gaming or even HD video streaming.


  •  Wireless N speed up to 300Mbps makes it ideal for video streaming, online gaming and Internet calls
  •  2T2R MIMO™ delivers greater throughput at range versus conventional 1T1R
  •  MIMO technology with stronger signal penetration strength, wider wireless coverage, providing better performance and stability
  •  Supports ad-hoc and infrastructure mode
  •  Seamlessly compatible with 802.11n/b/g products
  •  Easily setup a highly secured wireless link with QSS™ (Quick Security Setup)
  •  Bundled utility provides quick & hassle free installation
  •  Includes a low profile bracket

Wireless N - Speed & Range

MIMO (multiple input, multiple output antennas) technology, it shows more excellent abilities of mitigating data loss over long distances and through obstacles in a small office or a large apartment, even in a steel-and-concrete building. Above all, you could easily pick up the wireless network during long-distance connection where legacy 11g products may not!

CCA Technology - Stable Wireless Signals

Clear Channel Assessment (CCA) automatically avoids channel conflicts using its clear channel selection feature and fully realizes the advantages of channel binding, greatly enhanced the wireless performance.

WPA / WPA2 Encryptions - Advanced Security

As for the security of WI-FI connection, WEP encryption has been no longer the strongest and safest guards for outside intrusions. TL-WN851ND provides WPA/WPA2 encryptions that are created by the WI-FI Alliance industry group, promoting interpretabilities and security for WLAN, which could effectively and efficiently protect the wireless network.

Quick Security Setup

Compatible with WI-FI Protected Setup™ (WPS), TL-WN851ND features Quick Security Setup (QSS) function, which is ideal for creating a WPA encrypted connection to prevent outside intrusion, and meanwhile maximize the management resources. Not only is this faster than normal security setups but more convenient in that you don't need to remember a password!

Bundled CD for Easy Operation

TL-WN851ND comes with a CD with utility that helps you complete the software installation and wireless network settings, including security configurations and wireless connection, which is convenient for users, even for novice users. 

  •  Wireless N speed up to 300Mbps makes it ideal for video streaming, online gaming and Internet calls
  •  Supports QSS function, complying with WPS for worry free wireless security
  •  Supports 64/128 WEP, WPA /WPA2/WPA-PSK/WPA2-PSK(TKIP/AES), supports IEEE 802.1X
  •  Supports Windows 2000, Windows XP 32/64bit, Vista 32/64bit, Windows 7 32/64bit

Hardware Features
Interface 32-bit PCI
Dimensions (W x D x H) 5.2 x 4.8 x 0.9 in. (133 x 121 x 22mm)
Antenna Type Omni Directional, Detachable (RP-SMA)
Antenna Gain 2x2dBi
Wireless Features
Wireless Standards IEEE 802.11n, IEEE 802.11g, IEEE 802.11b
Frequency 2.400-2.4835GHz
Signal Rate 11n: Up to 300Mbps (dynamic)
11g: Up to 54Mbps (dynamic)
11b: Up to 11Mbps (dynamic)
EIRP <20dBm
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
Wireless Modes Ad-Hoc / Infrastructure mode
Wireless Security Support 64/128 bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK
Modulation Technology DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM
Certification CE, FCC, RoHS
System Requirements Windows 7 (32/64bits), Windows Vista (32/64bits)
Windows XP (32/64bits), Windows 2000
Environment Operating Temperature: 0%u2103~40%u2103 (32%u2109~104%u2109)
Storage Temperature: -40%u2103~70%u2103 (-40%u2109~158%u2109)
Operating Humidity: 10%~90% non-condensing
Storage Humidity: 5%~90% non-condensing

Box Contents

Wireless Adapter
Resource CD
Quick Installation Guide
Includes a low profile bracket

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