Wifi Adapter AC 600Mbps Wireless to Usb Dual Band 5G / 2.4G with Antenna for Desktop / Laptop Support Windows XP/Vista/7/8/10/Mac OS X 10.6-10.13

Amazon.com Price: $19.99 $15.99 (as of 17/04/2019 02:03 PST- Details) & FREE Shipping.

HIGH SPEED NETWORK – Up to 600Mbps wifi speeds on 5GHz (433Mbps) or 2.4GHz (150Mbps) bands, enjoy smooth online gaming and seamless HD video streaming.(Please must install the driver first, then insert the usb wifi adapter)
EXTERNAL POWERFUL ANTENNA – High gain long-range 2dBi Antenna reduces interference for better connections to more Wi-Fi devices ,experience a wider and more stable coverage.
POWERFUL WI-FI TECHNOLOGY – Upgrades PCs to 802.11ac, WiFi speed up to 3x faster than 2.4GHz! Backwards compatible with 802.11 a/b/g/n devices.

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