Product Overview
The TP-Link TL-WN821N 300Mbps Wireless N USB Adapter is a compact and reliable wireless network adapter designed to provide desktops and laptops with fast Wi-Fi connectivity. Supporting wireless speeds of up to 300Mbps on the 2.4GHz band, it is ideal for web browsing, HD video streaming, online gaming, video calls, and everyday internet use. Its compact USB design makes it easy to carry and install, offering a convenient solution for upgrading computers without built-in wireless networking.
Compliant with the IEEE 802.11b/g/n wireless standards, the TL-WN821N utilizes MIMO (Multiple Input Multiple Output) technology to deliver improved wireless coverage, stronger signal penetration, and greater connection stability compared to older wireless adapters. This ensures reliable performance even in larger homes or offices.
The adapter features a built-in WPS (Wi-Fi Protected Setup) button, allowing users to establish a secure wireless connection quickly by simply pressing the WPS button on both the router and the adapter. It supports advanced wireless security protocols including 64/128-bit WEP, WPA/WPA2, and WPA-PSK/WPA2-PSK encryption to help protect your network from unauthorized access.
Connecting through a USB 2.0 interface, the TL-WN821N is simple to install and compatible with a wide range of Windows, macOS, and Linux operating systems. It also supports Soft AP Mode, allowing a wired internet connection to be shared wirelessly with other Wi-Fi-enabled devices.
Whether you're upgrading an older desktop, replacing a faulty wireless adapter, or adding Wi-Fi capability to a laptop, the TP-Link TL-WN821N provides an affordable and dependable wireless networking solution.
Key Specifications
Brand: TP-Link
Model: TL-WN821N
Product Type: Wireless N USB Adapter
Wireless Standard: IEEE 802.11b/g/n
Wireless Speed: Up to 300Mbps
Frequency Band: 2.4GHz (2.400–2.4835GHz)
Interface: USB 2.0
Antenna Type: Internal
Wireless Modes: Infrastructure Mode, Ad-Hoc Mode
Security:
64/128-bit WEP
WPA/WPA2
WPA-PSK/WPA2-PSK
Button: WPS Push Button
Transmission Power: <20dBm (EIRP)
Features:
MIMO Technology
Soft AP Mode
WPS One-Touch Security
Easy Installation
Operating System Support:
Windows 11
Windows 10
Windows 8.1/8
Windows 7
macOS
Linux
Dimensions: 69 × 21 × 9.5 mm
Certifications: CE, FCC, RoHS
Recommended Applications: Desktop Wi-Fi Upgrade, Laptop Wireless Connectivity, Home Networking, HD Video Streaming, Online Gaming, Web Browsing.