TP-Link® N150 Wi-Fi 4 Wireless N PCI Express Adapter | TL-WN781ND
TP-Link® N150 Wi-Fi 4 Wireless N PCI Express Adapter | TL-WN781ND
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TP-Link N150 Wi-Fi 4 Wireless N PCI Express Adapter | TL-WN781ND
The TP-Link TL-WN781ND is an internal PCI Express Wi-Fi card that connects a desktop PC to a 2.4 GHz wireless network at up to 150 Mbps (802.11n). It has one detachable omni-directional antenna and supports WPA/WPA2 encryption.
150 Mbps Wireless N: Up to 150 Mbps on 2.4 GHz for everyday browsing, email, social media, file sharing and streaming.
Detachable Antenna: The antenna can be rotated and adjusted, or replaced with other indoor or directional antennas for wider coverage.
Easy Installation: Insert the card in a free PCI-E slot and connect to your Wi-Fi network. A low-profile bracket is included for slim desktop towers.
Who it's for / Works with: Desktop PCs that need a simple, low-cost 2.4 GHz Wi-Fi connection for everyday use.
Good to know: 2.4 GHz only and up to 150 Mbps (one antenna). No Bluetooth. Wi-Fi security is WEP / WPA / WPA2. Wi-Fi rates are maximum link rates.
Technical Specifications
| Specification | TP-Link TL-WN781ND |
|---|---|
| Model | TL-WN781ND (V3) |
| Interface | PCI Express |
| Wi-Fi standards | IEEE 802.11n, 802.11g, 802.11b |
| Frequency | 2.400–2.4835 GHz |
| Wi-Fi speed | 11n: up to 150 Mbps; 11g: up to 54 Mbps; 11b: up to 11 Mbps |
| Antenna | 1 detachable omni-directional antenna (RP-SMA), 2 dBi |
| Wireless modes | Ad-Hoc / Infrastructure |
| Wireless security | 64/128-bit WEP, WPA-PSK/WPA2-PSK |
| Modulation | DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM |
| System requirements | Windows 11/10/8.1/8/7/XP/Vista (32/64-bit) |
| Dimensions | 120.8 × 78.5 × 21.5 mm |
| Certification | CE, FCC, RoHS |
| Operating temperature | 0 °C to 40 °C |
📄 Datasheet: Download the official TP-Link TL-WN781ND datasheet (PDF)