The indispensable Alfa adapter, from Amazon USA Suitable for (Network testers, Ethical hackers, Cybersecurity students, or for personal use to strengthen WiFi) • Extremely Fast Performance - Long-range adapter connects to your computer to boost wireless connectivity and improve 802.11ac transfer speeds up to 1900 Mbps. • High-Quality Quad-Lens Antenna - Includes 4 detachable dual-band antennas with 2.4 GHz / 5 GHz power; great for video streaming, file transfers, and downloads. High Network Speeds - Great for large homes and offices with many users; improves device signal during gaming, messaging, browsing, and more. WiFi Adapter •