Product: Alfa AC1900 WiFi Adapter - 1900 Mbps 802.11ac Long-Range Dual Band USB 3.0 Wi-Fi Network Adapter w/4x 5dBi External Dual-Band Antennas
Brand: Alfa
Alfa 802.11ac Wi-Fi Wireless Network Adapter hi speed streaming 2.4GHz 5GHz Detachable dual extender high gain WiFI long range 9dbi external antenna 802.11n 802.11g A B G N 1000mw powerful speed band 802.11g 802.11n ac AC1200 Mbps 802.11a 802.11b desktop computer laptop PC linux MAC HD USB 3.0 

 Take your online activity to the Alfa max!
 Large homes and workplaces can now enjoy exceptional wireless performance with the AWUS1900 Wi-Fi Adapter by Alfa. This formidable device isn’t a router or repeater, but an easy adapter that connects to your computer to maximize its speed and connectivity while eliminating dead spots and lag time. Whether you’re streaming HD video or completing a local file transfer, our 4 extendable dual-band antennas deliver long-range power fit for any task. The unit adapts via an included USB 3.0 cable and optimizes your 802.11ac Wi-Fi for a combined rate up to 1900 Mbps. This means you’ll experience maximum download and transfer speeds—even when multiple people are accessing the network. Both beamforming capable and backwards compatible, our device also works with most Windows operating systems and MacOSX 10.4 onward.

Search query: external wifi card
Relevance: Substitute