TP-Link TL-WN821N-VER6 300Mbps Wi-Fi USB Adapter
SKU: TL-WN821N-VER6Networking › Routers & Access Points
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The distributor has not yet confirmed the latest price and availability (last checked Jun 26, 2026)
092-251-4017Awaiting stock confirmationManufacturer's warranty
GenuineFree delivery from ฿5,000Tax invoice
USB Wi-Fi adapter with 300Mbps speed for connecting computer or notebook to wireless network. Supports IEEE 802.11n standard. Easy to use and install on Windows, macOS, and Linux
Key features
- Maximum wireless speed of 300 Mbps at 2.4 GHz
- Supports IEEE 802.11n/g/b standards
- Uses MIMO technology for stronger signal and wider coverage
- Easy installation via USB 2.0 with WPS button for secure one-touch connection
- Supports Windows, macOS, and Linux for versatile operating system compatibility
Product description
The TP-Link TL-WN821N-VER6 wireless adapter delivers a maximum speed of 300 Mbps at 2.4 GHz, enabling smooth streaming of high-resolution video or online gaming. It uses MIMO technology to strengthen signal strength and extend coverage, providing broader and more stable wireless connectivity. The compact adapter measures 2.7 x 0.8 x 0.4 inches (69 x 21 x 9.5 mm) and installs easily via USB 2.0 port. It features a WPS button for secure one-touch network connection. Supports Windows 11/10/8.1/8/7, macOS 10.7–10.10, and Linux. Ideal for use in office, home, or mobile workspaces.
Pros and limitations
Pros
- Maximum wireless speed of 300 Mbps at 2.4 GHz, supporting heavy-duty usage
- Uses MIMO technology to enhance signal strength and extend coverage area
- Easy setup using a standard USB 2.0 port—no additional drivers required on the main system
- Supports multiple operating systems, including Windows, macOS, and Linux
- Features a WPS button for fast and secure network connection
Limitations
- Supports only 2.4 GHz frequency—does not support 5 GHz
- Uses USB 2.0 port with speed limited to 480 Mbps
- Does not specify support for dual-band or MU-MIMO operation
Who it is for
Ideal for users who need to add Wi-Fi connectivity to a desktop computer or notebook without built-in Wi-Fi, especially in office, home, or workspaces requiring up to 300 Mbps speed for streaming or online gaming
Connectivity
USB 2.0
Specifications (20)
- Button
- WPS Push Button
- Antenna
- On-Board
- Frequency
- 2.400-2.4835GHz
- Interface
- USB 2.0
- Dimensions
- 2.7 x 0.8 x 0.4 in. (69 x 21 x 9.5mm)
- Signal Rate
- 11n: Up to 300Mbps(dynamic) 11g: Up to 54Mbps(dynamic) 11b: Up to 11Mbps(dynamic)
- Certification
- FCC, RoHS
- Compatibility
- Windows XP/Vista/7/8/8.1/11, Mac OS X 10.7~10.10, Linux
- Wireless Modes
- Ad-Hoc / Infrastructure mode
- Package Content
- Wireless Adapter, One USB extension cable, Resource CD, Quick Installation Guide
- Storage Humidity
- 5%~90% non-condensing
- Wireless Security
- Support 64/128 bit WEP, WPA-PSK/WPA2-PSK
- Operating Humidity
- 10%~90% non-condensing
- Transmission Power
- <20dBm(EIRP)
- Wireless Standards
- IEEE 802.11n, IEEE 802.11g, IEEE 802.11b
- Storage Temperature
- -40℃~70℃ (-40℉~158℉)
- System Requirements
- Windows 11/10/8.1/8/7 macOS Linux
- Modulation Technology
- DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM
- Operating Temperature
- 0℃~40℃ (32℉~104℉)
- Reception Sensitivity
- 270M: -62dBm@10% PER 130M: -65dBm@10% PER 108M: -68dBm@10% PER 54M: -68dBm@10% PER 11M: -85dBm@8% PER 6M: -88dBm@10% PER 1M: -90dBm@8% PER
Datasheets and manuals straight from the manufacturer — select a document to open or download it.
13 questions
Frequently asked questions about this product
Compiled from manufacturer information
Can this adapter be used with a notebook that has no built-in Wi-Fi?
Yes, the TL-WN821N-VER6 adapter connects via USB 2.0 port, so it works with any notebook that has a USB port and supports Windows, macOS, or Linux. In most cases, no additional drivers are required.
Can it connect to a 5 GHz Wi-Fi network?
No, as this adapter supports only the 2.4 GHz frequency according to the IEEE 802.11n/g/b standard, it cannot connect to 5 GHz Wi-Fi networks.
Do I need to install drivers?
Most major operating systems, such as Windows 10/11, macOS 10.7–10.10, and Linux, include built-in drivers. However, for optimal performance, we recommend installing the latest drivers from the TP-Link website for greater stability.
Can it be used with a desktop PC that has no Wi-Fi?
Yes, this adapter is designed for desktop PCs without built-in Wi-Fi. It connects via USB 2.0 port and can be used immediately after installing drivers or with operating systems that support plug-and-play.
What is the WPS button used for?
The WPS button allows you to connect to a Wi-Fi network quickly and securely with just one press, without entering a password. It works with routers that support WPS.
Where does this adapter draw power from?
It draws power directly from the computer's USB 2.0 port, eliminating the need for an external power adapter. This makes it convenient for portable use anywhere.
Can it be used with Linux?
Yes, this adapter supports Linux as specified in the documentation. It can be used immediately after installing drivers from the TP-Link website. For best stability, we recommend using the latest driver version.
Is a USB extension cable included?
1 piece included in the package, allowing the adapter to be placed away from the device to improve signal or be positioned more conveniently
Is it in stock?
We are confirming the latest stock and price of the TP-Link TL-WN821N-VER6 300Mbps Wi-Fi USB Adapter with the distributor. Please contact us before ordering at 092-251-4017 or sales@gist.co.th.
How much does it cost?
The distributor has not yet confirmed the latest price and availability. Please contact us before ordering at 092-251-4017 or sales@gist.co.th.
How long is the warranty?
The warranty follows the manufacturer's terms for each model; ask our sales team for the warranty period of this model. To make a warranty claim, call 092-251-4017 or 065-523-5262, or email sales@gist.co.th (Mon–Fri 9:00–18:00), then send the product with your order number to our head office, or bring it to the head office in person.
How long does delivery take?
Orders placed before 12:00 on a business day are delivered within 1–3 business days (Bangkok and vicinity) or 2–5 business days (other provinces). Free delivery on orders of ฿5,000 or more (a ฿150 delivery fee applies below this amount).
Is it genuine?
Genuine products sourced from distributors in Thailand, covered by the manufacturer's warranty. Full tax invoices are available.
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Genuine products
Sourced from distributors in Thailand and covered by the manufacturer's warranty
Warranty period
According to the manufacturer's terms for each model
Covered by the manufacturer's warranty; you can make claims through GIST
Claims through GIST
Ship the product to our head office or bring it in person
Warranty conditions
- A receipt or other proof of purchase is required
- The product must not have been modified or altered
- Damage caused by misuse is not covered by the warranty
- To make a warranty claim, call 092-251-4017 or 065-523-5262, or email sales@gist.co.th (Mon–Fri 9:00–18:00), then send the product with your order number to our head office, or bring it to the head office in person.Head office: 554 Sky Nine Center, Floor 12A, Room 554/62, Asok-Din Daeng Road, Din Daeng Subdistrict, Din Daeng District, Bangkok 10400
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