It’s dual-band. 2.4GHz and 5GHz. On paper: 150Mbps on 2.4 and 433Mbps on 5. In real life? Depends on your main router, walls, and how many squirrels are chewing on the wires. But yeah, 5GHz is fast if you’re close, 2.4 goes farther. https://graph.org/Wavlink-AC600-vs-AC1200-Setup-Guide-and-Configuration-Tips-08-28