View source for TP-Link-TL-WN821N V6.0: How to Install and Set Up 300Mbps-Wireless N USB Adapter

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== Summary ==
The TL-WN821N WLAN USB Adapter allows you to connect a desktop computer or notebook to a WLAN to access a high-speed Internet connection. Since it complies with the IEEE802.11n standard, it offers a WLAN speed of up to 300Mbps, which is sufficient for online gaming or even HD video streaming.

== Highlights ==

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== Features ==
*The excellent speed brings you the best experience for HD video streaming or Internet telephony

*<code>MIMO</code> with better signal penetration, wider WLAN coverage, for better performance and stability

<div style="border: 1px none #8a6d3b; background-color: #fcf8e3; color: #8a6d3b; padding: 5px 10px; margin-bottom: 5px; text-align: justify"><b>Note: </b>With MIMO <code>(multi-input/multi-output antennas)</code>, it shows further outstanding capabilities in low-loss transmission over long distances and in transmitting through obstacles in a small office or large apartment, even in a reinforced concrete building. 
Most importantly, with it you can easily connect to the WLAN over long distances in places where this is not possible with conventional 11g products.</div>

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<li style="display: inline-block;"> [[File:xxx.jpg|thumb|none|500px|xxxxxx]] </li>
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*Simple WLAN security encryption by pressing the QSS button

*Supports Windows® XP, Vista, 7,8 and 10

*<b>Speed:</b> Fast Wi-Fi - Up to 300Mbps Wi-Fi speed for joyful surfing experince

*<b>Ease of Use</b>: Backwards Compatibility - Supports routers utilizing 802.11 b/g/n Wi-Fi standards

*<b>Security</b>: 
&emsp;&emsp;&#10148; <b>Active Defense</b> - WPA/WPA2 encryption provides your Wi-Fi network with advanced protection against security threats

&emsp;&emsp;&#10148; <b>WPS Button</b> - Easy wireless security encryption at a push of the WPS button

==Specifications==
=== Wireless ===
*<b>Wireless Standard:</b> IEEE 802.11b/g/n 2.4GHz
*<b>Frequency:</b> 2.4GHz
*<b>Wireless Mode:</b> Ad-Hoc / Infrastructure Mode
*<b>Wireless Security:</b> WEP, WPA/WPA2, WPA-PSK/WPA2-PSK

<div style="border: 1px none #8a6d3b; background-color: #fcf8e3; color: #8a6d3b; padding: 5px 10px; margin-bottom: 5px; text-align: justify"><b>Note: </b>
IEE 802.11b/g/n => erklären </div>

=== Hardware ===
*<b>Interface:</b> USB 2.0
*<b>LED:</b> Status (internal)
*<b>Button:</b> WPS
*<b>Dimensions:</b> 2.7 × 0.8 × 0.4 in. (69 × 21 × 9.5 mm)

=== LED Status ===
<b>Info:</b> You can check the adapter’s working status by following the lower points.

&emsp;<b>1. Off:</b> The driver has not been installed.[The adapter’s radio has been disabled.]

&emsp;<b>2. Flashing Slowly:</b> The driver has been installed but no data is being transmitted or received.

&emsp;<b>3. Flashing Quickly:</b> Data is being transmitted or received.

<div style="border: 1px none #8a6d3b; background-color: #fcf8e3; color: #8a6d3b; padding: 5px 10px; margin-bottom: 5px; text-align: justify"><b>Tips: </b>If the LED is off, try these troubleshooting tips:

&emsp;&emsp;1. Remove and reinstall the adapter.

&emsp;&emsp;2. Reinstall the software, if necessary. </div>

== Preparations ==
=== Connect to a Computer ===
This step introduces how to connect the adapter to your computer.

&emsp;&#10148; Before you start using the adapter, insert the adapter into a <b>USB port on your
computer directly</b> <br>&emsp;&emsp; [Note: This is shown on the left side in the figure below] or connect the adapter to your computer <b>using the USB extension
cable provided</b> <br>&emsp;&emsp; [Note: This is shown on the right side in the figure below].

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After connecting your adapter to the computer, please follow the instructions in the appropriate chapter for your operating system: <b>Windows</b> </div>

== Windows ==
This documentation introduces how to install your adapter’s driver and WPS Tool, use your adapter to join a wireless network, and uninstall your adapter in a Windows system. The
adapter is equipped with a Setup Wizard, which can guide you through the installation process.

=== Step 1: Install Driver and WPS Tool ===
&emsp;1. Insert the resource CD into your CD drive and run the <code>Autorun.exe</code> from the pop-up Autoplay window.

<div style="border: 1px none #8a6d3b; background-color: #fcf8e3; color: #8a6d3b; padding: 5px 10px; margin-bottom: 5px; text-align: justify"><b>Note: </b>
&emsp;&emsp;1. You can also download the driver from the product’s Support page at <b> https://www.tp-link.com </b>

&emsp;&emsp;2. In some operating systems, the CD screen will pop up automatically. Otherwise, run the CD manually. </div>

&emsp;2. Select TL-WN821N and follow the instructions to complete the installation.

<div style="border: 1px none #8a6d3b; background-color: #fcf8e3; color: #8a6d3b; padding: 5px 10px; margin-bottom: 5px; text-align: justify"><b>Note: </b>
If you can’t install the driver successfully, disable the antivirus software and firewall, then try again. </div>

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&emsp;3. When the following screen appears, the driver has been installed successfully.

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&emsp;4. If you want to connect effortlessly with the push of a WPS button, click <code>Yes</code> and follow the instructions to install the mini WPS Tool.

<div style="border: 1px none #8a6d3b; background-color: #fcf8e3; color: #8a6d3b; padding: 5px 10px; margin-bottom: 5px; text-align: justify"><b>Note: </b>
For Windows XP, WPS Tool is not supported. Please use Windows built-in wireless utility to join the wireless network. </div>

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<li style="display: inline-block;"> [[File:xx.jpg|thumb|none|500px|xxxx]] </li>
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&emsp;5. When the following screen appears, the WPS Tool has been installed successfully.You can enjoy connecting to your Wi-Fi with the push of the WPS button.

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<li style="display: inline-block;"> [[File:xx.jpg|thumb|none|500px|xxxx]] </li>
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=== Step 2: Join a Wireless Network ===

<b>&emsp;&#10148; Option 1: Via Windows Built-in Wireless Utility</b>

&emsp;&emsp; You can join a wireless network via Windows built-in wireless utility. Follow the instructions below to use your computer system’s built-in wireless utility:

&emsp;&emsp; 1. Click Network icon on the taskbar. Select the Wi-Fi network you want to join, and click Connect. Enter the network password when prompted.

&emsp;&emsp; 2. When the network icon changes to XXXX or, XXXXX it indicates a successful network connection.

<b>&emsp;&#10148; Option 2: Via WPS Tool</b>

&emsp;&emsp; If you have installed WPS Tool, follow the instructions below to connect effortlessly with the WPS button.

=== Step 3: Uninstall Driver and WPS Tool ===