# Network Card TP-Link TL-WN821N

**URL:** https://aio.lv/en/product--tp-link-wn821n--3091528
**Data updated:** 2025-12-29 10:45 (EET)
**Category:** Network Cards
**Manufacturer:** TP-LINK
**Manufacturer code:** WN821N
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 10.49 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 8.67 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tp-link-wn821n--3091528

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 26.06.2026 | free |
| Pickup points | 01.07.2026 | 1.99 EUR |
| Courier delivery to door | 01.07.2026 | 4.99 EUR |

## Summary description

The TP-Link TL-WN821N is a wireless network card with a maximum data transfer rate of 300 Mbit/s. It supports Wi-Fi 4 (802.11n) on the 2.4 GHz band and connects via USB. This compact and easy-to-install adapter is ideal for enhancing your wireless connectivity, providing reliable performance for browsing and streaming.

## Long description

The TP-Link TL-WN821N Wireless N USB Adapter is a compact USB wireless network card that supports IEEE 802.11n (Draft 2.0), IEEE 802.11g and IEEE 802.11b standards. It operates on the 2.4 GHz band and delivers wireless transmission rates up to 300 Mbps using MIMO technology and internal intelligent antennas. The adapter supports both Infrastructure and Ad-Hoc modes and connects via USB for easy installation on compatible Windows systems.
Advantages
The adapter offers wireless speeds up to 300 Mbps and improved range and stability thanks to MIMO and internal intelligent antennas. CCA (Clear Channel Assessment) technology helps avoid channel conflicts automatically. Security features include 64/128-bit WEP, WPA/WPA2 and WPA-PSK/WPA2-PSK, plus QSS (Quick Secure Setup) for fast wireless security configuration. The device supports QoS prioritization for bandwidth-sensitive applications like voice and video and is interoperable with 802.11g and 802.11n devices.
Suitable for
Adding or upgrading Wi‑Fi connectivity on desktop or laptop systems via USB
Web browsing, standard-definition streaming and online communication
Small home or office networks using 2.4 GHz Wi‑Fi 4 (802.11n)
Key specifications
Standards: IEEE 802.11n (Draft 2.0), IEEE 802.11g, IEEE 802.11b
Maximum data rate: 300 Mbps (2.4 GHz)
Interface: USB
Wireless technologies: MIMO, CCA, QSS (WPS)
Security: 64/128-bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK, IEEE 802.1X
Operation modes: Infrastructure, Ad-Hoc
Compatible OS: Windows 2000/XP/Vista (driver availability required for newer OS)
Colours: White, Black
How to use
Plug the TL-WN821N into an available USB port and install the appropriate driver for your operating system. Use the included utility or the system network manager to scan for available 2.4 GHz wireless networks, select the desired SSID and enter the network password. For quick security setup, use the adapter’s QSS (WPS) function together with a compatible router. Configure QoS or prioritization in the router if you need to ensure better performance for voice or video applications.
Usage recommendations
Place the adapter where it has a clear line of sight to the router and avoid large metal objects or other sources of interference. Use WPA2 encryption when available, and update drivers from the TP-Link support site to ensure compatibility and stability.

## Specifications

| Feature | Value |
|---|---|
| Wi-Fi standards | Wi-Fi 4 (802.11n), 802.11g, 802.11b |
| Component for | PC/Laptop |
| Operating modes | Infrastructure mode |
| Resource CD | Yes |
| Harmonized System (HS) code | 85176990 |
| Transmitting power (FCC) | 20 |
| Transmitting power (CE) | 20 |
| Sustainability compliance | Yes |
| Sustainability certificates | CE, Federal Communications Commission (FCC), RoHS |
| Antenna design | Internal |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |
| Interface | WLAN |
| Host interface | USB |
| Internal | No |

### Bandwidth

| Feature | Value |
|---|---|
| Maximum data transfer rate | 300 Mbit/s |

### Network

| Feature | Value |
|---|---|
| Networking standards | IEEE 802.11b, IEEE 802.11g, IEEE 802.11n |
| Modulation | CCK, OFDM, DQPSK, DBPSK, 64-QAM, 16-QAM |
| WPS push button | Yes |

### Protocols

| Feature | Value |
|---|---|
| Supported network protocols | CSMA/CA, ACK |

### Wireless LAN features

| Feature | Value |
|---|---|
| Wi-Fi | Yes |
| Wi-Fi band | Single-band (2.4 GHz) |
| Top Wi-Fi standard | Wi-Fi 4 (802.11n) |
| WLAN data transfer rates supported | 54, 300, 11 |

### Antenna

| Feature | Value |
|---|---|
| Antenna | Yes |
| Frequency range | 2.4 - 2.4835 |

### Performance

| Feature | Value |
|---|---|
| Windows operating systems supported | Windows 8 x64, Windows 7 Enterprise x64, Windows 7 Home Basic x64, Windows 10 Pro x64, Windows XP Home x64, Windows 8 Pro x64, Windows 7 Home Basic, Windows 10 Pro, Windows XP Home, Windows 8 Pro, Windows XP Professional, Windows 10 x64, Windows 7 Home Premium, Windows 8.1, Windows XP Professional x64, Windows 7 Home Premium x64, Windows 8.1 Enterprise, Windows 7 Professional, Windows 8.1 Enterprise x64, Windows 10 Home, Windows XP, Windows 7 Professional x64, Windows 8.1 Pro, Windows 10, Windows 7 Starter, Windows 8.1 Pro x64, Windows 10 Education, Windows 7 Starter x64, Windows 8.1 x64, Windows 10 Education x64, Windows 7 Ultimate, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 7 Ultimate x64, Windows 10 IoT Enterprise, Windows 8 Enterprise x64, Windows 7 Enterprise, Windows 10 IOT Core, Windows 8 Enterprise, Windows 7, Windows 10 Home x64, Windows 8, Windows 7 x64 |
| Mac operating systems supported | Mac OS X 10.15 Catalina |
| Linux operating systems supported | Y |

### Design

| Feature | Value |
|---|---|
| Product colour | White, Black |

### Weight & dimensions

| Feature | Value |
|---|---|
| Package weight | 150 g |
| Height | 12 mm |
| Width | 86 mm |
| Depth | 26 mm |
| Package depth | 137 mm |
| Package height | 42 mm |
| Package width | 148 mm |

### Power

| Feature | Value |
|---|---|
| USB powered | Yes |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 10 - 90 |
| Storage temperature (T-T) | -40 - 70 |
| Operating temperature (T-T) | 0 - 40 |
| Storage relative humidity (H-H) | 5 - 95 |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | USB |
| Quick start guide | Yes |
| Quick installation guide | Yes |

## FAQ

### How much does the Network Card TP-Link TL-WN821N cost, and is it available for purchase?

The price is 10.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 507 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 26.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All TP-LINK products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized TP-LINK service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: connectivity technology, interface, host interface, maximum data transfer rate, networking standards, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/3091528/54733705_large.webp