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TP-Link TL-WN821N USB-A WiFi Adapter
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Fast shipping with real-time tracking until your order arrives.
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Easy, hassle-free returns within the established period.
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Stable wireless connectivity at 300 Mbps
This adapter offers transfer speeds of up to 300 Mbps under the Wireless N standard. It provides a smooth connection for bandwidth-intensive applications such as streaming and web browsing.
Extended compatibility with IEEE standards
It supports IEEE 802.11b, 802.11g, and 802.11n protocols to ensure interoperability with various wireless routers. It is a versatile solution for integrating legacy equipment into modern 2.4 GHz networks.
Compact design for maximum portability
Its compact, USB flash drive-like form factor makes it easy to carry and use in laptops without obstructing adjacent ports. Measuring 69 x 21 x 9.5 mm, it is both discreet and functional.
Advanced security for enterprise networks
It incorporates multiple encryption methods, including WEP, WPA/WPA2, and WPA-PSK/WPA2-PSK. These technologies protect data integrity and prevent unauthorized access to the local network.
Quick setup using the WPS button
It features a physical WPS button that allows you to establish a secure connection with the router instantly. This eliminates the need to manually enter complex passwords during initial setup.
Hardware upgrade for corporate equipment
Ideal for providing wireless connectivity to desktop computers that lack an integrated network card. It allows for cost-effective modernization of computer systems without the need for complex technical interventions.
Reliable solution for the wholesale channel
High-turnover product with an excellent cost-performance ratio for specialized retail outlets. The package includes an installation guide and resource CD to facilitate end-customer support.
| Product type | Wireless USB Adapter |
| Usage format | Plug and play via USB |
| Connectivity | Wi-Fi 802.11b/g/n |
| Interface | USB 2.0 |
| Data speed | Up to 300 Mbps |
| Security | WEP, WPA/WPA2, WPA-PSK/WPA2-PSK |
| User interface | WPS button and internal status LED |
| Dimensions | 69 x 21 x 9.5 mm |
| Color | White |
What real-world performance does it offer in office environments?
The device achieves theoretical speeds of up to 300 Mbps on the 2.4 GHz band using MIMO technology. This allows for efficient management of corporate web browsing, database access, and multimedia file downloads in local environments.
Is it compatible with older Windows operating systems?
Yes, the TL-WN821N includes a resource CD with specific drivers to ensure compatibility with various versions of Windows. This ensures that desktop computers with older hardware can connect to current wireless networks.
What materials guarantee their durability under intensive use?
It's made with a thermoplastic polymer casing that's resistant to minor impacts and the heat generated by continuous use. The USB connector is reinforced to withstand multiple plug-and-disconnect cycles in front or rear ports.
Does it work with 5 GHz WiFi networks?
This model is designed exclusively to operate on the 2.4 GHz frequency following the N300 standard. It is not compatible with the 5 GHz band, so the access point must have the 2.4 GHz band enabled to establish a connection.
The TP-Link TL-WN821N adapter is an efficient technical solution for improving the wireless connectivity of any computer via USB. Its ease of deployment makes it an essential accessory for computer and electronics stores.
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