TP-Link TL-WN781ND Wireless PCI Express Adapter

The TP-Link TL-WN781ND is a 150 Mbps Wireless N PCI Express adapter designed to add wireless connectivity to desktop PCs. It operates on the 2.4 GHz band and features a detachable external antenna for flexible wireless coverage.

Key Features

• 150 Mbps Wireless N
• 802.11n / 802.11g / 802.11b
• 2.4 GHz wireless connectivity
• PCI Express 2.0 ×1 interface
• Up to 150 Mbps wireless transmission rate
• 1 × Detachable RP-SMA Antenna
• 2 dBi antenna gain
• Supports Ad-Hoc & Infrastructure modes
• WEP / WPA / WPA2 wireless security
• WPA-PSK / WPA2-PSK
• Detachable antenna can be replaced with compatible antennas
• Supports Windows and Linux on supported hardware revisions
• Includes Low-Profile Bracket
• Dimensions: 120.8 × 78.5 × 21.5 mm
• Operating Temperature: 0°C–40°C

Ideal For

• Desktop PCs
• Office Workstations
• Home Computers
• Adding WiFi to PCs without built-in wireless
• Basic Internet Connectivity
• File Sharing
• Wireless Networking

The TP-Link TL-WN781ND is a simple and economical solution for adding 2.4 GHz WiFi connectivity to a desktop computer through a PCI Express slot, with a detachable antenna for improved placement flexibility.

Note: TP-Link lists the TL-WN781ND as End of Life on some regional sites, although support/download pages remain available for different hardware revisions.