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Wifi routers have two bands 2.4GHz and 5GHz. The first delivers lower speeds across long distances and the latter higher speed across a room. Both are needed for better usability. Ideally, the 2.4GHz can support 450 Mbps and the 5GHz 1300 Mbps. In reality, it is one-tenth of that amount. Dual-band gives you the flexibility of being able to move around with your laptop or tablet from room to room without serious packet loss or lag. You are able to enjoy very speed inside the room where the router is and moderately high speed at a distance of 120 feet. routers rating visit link visit link visit link visit link visit link visit link visit link visit link visit link visit link visit link visit link visit link