Description
Buy Tp-Link TL-WN781ND 150Mbps Wireless N PCI Express Wifi Adapter in Pakistan | TechMatched
TP-Link TL-WN781ND 150Mbps Wireless N PCI Express WiFi Adapter for Desktop PCs, 2.4GHz, Detachable Antenna, WPA/WPA2 Security, Windows Compatible

Product Description
- Supports IEEE 802.11b/g/n technology, delivering up to 150Mbps wireless speed for smooth web browsing, online gaming, and video streaming
- Operates on the 2.4GHz band, ensuring wide compatibility with standard wireless routers and access points
- Equipped with a detachable 2dBi omni-directional antenna (RP-SMA connector) for flexible placement and optional antenna upgrades
- Advanced security: Supports WEP (64/128-bit), WPA/WPA2 (TKIP/AES) encryption standards to keep your network safe
- PCI Express (x1) interface for easy installation in desktop PCs
- Includes full-height and low-profile brackets for compatibility with both standard and slim computer cases
- Compact design with dimensions of approximately 120.8 × 78.5 × 21.5 mm (4.8 × 3.1 × 0.8 in)
- Compatible with Windows XP, Vista, 7, 8, 8.1, and 10 (32/64-bit), with select Linux support
- Ideal for upgrading desktop PCs to high-speed wireless connectivity without the need for Ethernet cables
Hardware Features
The TP-Link TL-WN781ND is a PCI Express (PCIe x1) wireless adapter designed for desktop PCs, providing stable and high-speed wireless connectivity. The compact card measures 4.8 × 3.1 × 0.8 inches (120.8 × 78.5 × 21.5 mm), making it suitable for both standard and low-profile computer cases. It features a detachable omni-directional antenna with an RP-SMA connector, allowing users to adjust or upgrade the antenna for improved signal strength and coverage. The included antenna offers a gain of 2dBi, delivering reliable wireless performance for everyday use.
Wireless Features
The TL-WN781ND supports IEEE 802.11b/g/n wireless standards, enabling flexible connectivity with most routers and access points. Operating in the 2.4GHz frequency band (2.400–2.4835GHz), it provides a stable and consistent wireless connection ideal for web browsing, streaming, and light online gaming.
In terms of speed, the adapter delivers up to 150Mbps (dynamic) on the 802.11n standard, up to 54Mbps on 802.11g, and up to 11Mbps on 802.11b networks.
Wireless Security
To ensure network safety, the TL-WN781ND includes advanced encryption technologies such as 64/128-bit WEP, WPA-PSK, and WPA2-PSK standards. These protocols help protect wireless data from unauthorized access and maintain a secure connection.
Additionally, it utilizes robust modulation technologies including DBPSK, DQPSK, CCK, OFDM, 16-QAM, and 64-QAM, ensuring reliable data transmission even in environments with interference. The adapter also maintains a maximum transmission power of less than 20dBm (EIRP), in compliance with wireless emission regulations.
Certifications
The TP-Link TL-WN781ND complies with international standards for safety and environmental responsibility. It is CE, FCC, and RoHS certified, ensuring reliable operation and adherence to quality and environmental safety requirements.
Package Contents
Each package includes everything needed for quick installation and setup:
- TL-WN781ND Wireless Adapter
- Detachable Omni-Directional Antenna
- Resource CD (drivers and utility software)
- Quick Installation Guide
System Requirements
This adapter supports a wide range of operating systems, including Windows 11, 10, 8.1, 8, 7, Vista, and XP (both 32-bit and 64-bit versions). Drivers are available on the included CD or directly from the TP-Link website, ensuring compatibility with both legacy and modern systems.
Environment
The TL-WN781ND is built for durability and consistent performance in various environmental conditions. It operates reliably within temperatures of 0°C to 40°C (32°F to 104°F) and can be safely stored at temperatures between -40°C and 70°C (-40°F to 158°F).
The device supports an operating humidity range of 10% to 90% non-condensing and storage humidity from 5% to 90% non-condensing, ensuring dependable operation even in humid or dry environments.
Specifications
| Category | Specification |
|---|---|
| HARDWARE FEATURES | |
| Interface | PCI Express |
| Dimensions (W × D × H) | 4.8 × 3.1 × 0.8 in (120.8 × 78.5 × 21.5 mm) |
| Antenna Type | Detachable Omni-Directional (RP-SMA) |
| Antenna Gain | 2 dBi |
| WIRELESS FEATURES | |
| Wireless Standards | IEEE 802.11n, IEEE 802.11g, IEEE 802.11b |
| Frequency | 2.400 – 2.4835 GHz |
| Signal Rate | 11n: Up to 150 Mbps (dynamic) 11g: Up to 54 Mbps (dynamic) 11b: Up to 11 Mbps (dynamic) |
| Reception Sensitivity | 130M: -68 dBm @10% PER 108M: -68 dBm @10% PER 54M: -68 dBm @10% PER 11M: -85 dBm @8% PER 6M: -88 dBm @10% PER 1M: -90 dBm @8% PER |
| Wireless Modes | Ad-Hoc / Infrastructure Mode |
| Wireless Security | 64/128-bit WEP, WPA-PSK / WPA2-PSK |
| Modulation Technology | DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM |
| Transmission Power | < 20 dBm (EIRP) |
| OTHERS | |
| Certification | CE, FCC, RoHS |
| Package Contents | Wireless Adapter Detachable Omni-Directional Antenna Resource CD Quick Installation Guide |
| System Requirements | Windows 11 / 10 / 8.1 / 8 / 7 / XP / Vista (32/64-bit) |
| Environment | Operating Temperature: 0°C ~ 40°C (32°F ~ 104°F) Storage Temperature: -40°C ~ 70°C (-40°F ~ 158°F) Operating Humidity: 10% ~ 90% non-condensing Storage Humidity: 5% ~ 90% non-condensing |
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