What is the coverage range?

As with all of these types of devices (transmitters and receivers) it depends on several factors that can affect the radio waves. I was able to use it from the second floor of my home through a wall and a floor from the router, and from outside my house on my porch. It depends on the strength of the router/modem signal that is transmitting to your computer and what is between your computer and the router/modem. Sheetrock walls are easier to go through than older plaster and lathe, for example. In a concrete and steel building or basement, it may only work in the room. Be leary of any published ranges, as these would be under completely ideal (no walls, completely clear) and unrealistic circumstances. I hope this helps!

Is this compatible with Macbook Pro?

Hi! I searched the website of TP-Link and it says that is compatible with windows XP/Vista/& . The link is :http://www.tp-link.com/en/products/details/?model=TL-WN821N#down. Also I did not buy this product for my windows desktop ,my model was TP-LINK TL-WN822N. And it only supports Windows too. I tested my model . It is not detected by Mac OS.

Does this adapter support Windows 10 Pro?

I only see Win 7 / 8 drivers at their download page: http://www.tp-link.us/download/TL-WN821N.html#Driver

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TP-LINK TL-WN821N 300Mbps Wireless N USB Adapter

Product ID: 262971512

Details

Brand
TP-Link
Colour
White
Compatible devices
NC
Hardware interface
USB 2.0
Product dimensions
20L x 69W x

📡MIMO tech for wider coverage

📶300Mbps blazing speed

🔒One-touch WPS security

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Description

🚀 Elevate your Wi-Fi game with speed, range, and security in one sleek adapter!

PLUG PLAY SIMPLICITY - Bundled CD and easy installation make setup effortless, even for non-tech pros.
UNIVERSAL COMPATIBILITY - Works seamlessly with all IEEE 802.11b/g/n devices and major Windows versions.
INSTANT SECURE CONNECTION - One-button WPS setup delivers WPA2-level security in seconds—no password hassle.
STREAM GAME WITHOUT LAG - Experience ultra-smooth HD streaming and online gaming at 300Mbps speeds.
UNRIVALED SIGNAL STRENGTH - MIMO technology ensures your connection stays strong through walls and long distances.

The TP-LINK TL-WN821N is a compact USB wireless adapter delivering up to 300Mbps with advanced MIMO technology for superior signal penetration and coverage. It features WPA/WPA2 encryption with a convenient one-touch WPS button for instant secure connections. Compatible with Windows XP through 7 and all IEEE 802.11b/g/n devices, it’s perfect for HD streaming, online gaming, and stable internet calls.

Specifications

ASIN	B00194XKXA
Best Sellers Rank	#63,005 in Computers ( See Top 100 in Computers ) #276 in Network Cards
Brand	TP-Link
Built-In Media	1 product
Color	White
Compatible Devices	NC
Compatible Operating System Family	Windows
Customer Reviews	4.3 4.3 out of 5 stars (10,122)
Data Link Protocol	IEEE 802.11b, IEEE 802.11n, USB
Data Transfer Rate	300 Megabits Per Second
External Testing Certification	ANATEL: 30861103177
Global Trade Identification Number	06935364050368, 07893007680817
Hardware Interface	USB 2.0
Item Dimensions L x W x H	20L x 69W x 10H millimeters
Item Part Number	6935364050368, TL-WN821N
Item Weight	10 Grams
Manufacturer	KOMQI
Mfr Part Number	TL-WN821N
Model Number	TL-WN821N
Unit Count	1 Count

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

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