Does this have the WPA2 Security?

Yes.. But I later found it to be incompatible with my dsl modem bandwidth and had to get one to match my local ISP modem to get rid of problems that kept cropping up.

Will the USB featured, enable my lap & Desktop communicate with each other?

The USB Wifi Adapter AC600 can upgrade your PC, desktop, laptop, or Mac to connect to a higher-speed network, working with any WiFi router. This means it can facilitate wireless communication between your laptop and desktop if they are on the same network.

Questions & Answers: USB Wifi Adapter AC600 USB Wireless Adapter 2.4GHz/5GHz with inbuilt Antenna for Windows XP/Vista/7/8/8.1/10 MAC OS X 10.9-10.11

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USB Wifi Adapter AC600 USB Wireless Adapter 2.4GHz/5GHz with inbuilt Antenna for Windows XP/Vista/7/8/8.1/10 MAC OS X 10.9-10.11

-High Power 600Mbps USB WIFI Adapter
-Awesome speed: Maximum speed up to 5GHz 433Mbps or 2.4GHz 150Mbps. Ideal for gaming online and seamless HD video streaming. Ultra-fast AC600 wireless adapter speed with 802.11AC.
-Awesome compatibility: No drivers required for Windows 10! Just plug and play! Compatible with windows 10/8/7/Vista/XP/2000, Mac OS 10.5-10.13.
-WORKS WITH ANY WIFI ROUTER: It works with all wireless network from any brand wifi routers. By using AC600 USB Wifi Adapter, you can upgrade your PC, desktop, laptop or Mac to connect higher-speed network.
-MINI DESIGN & EASY TO USE : Super mini size, you can keep it in your Laptop or PC and no need to remove, and you can carry it everywhere.

$13^.40 –