All APs are tied back to a central hub, which you can think of as a very large, powerful modem, which provides the internet signal via cable from the Internet Service Provider (ISP) out to the APs, and then in turn to your device. Obviously in this situation, the one router will never suffice, and so a new component is needed.Īn Access Point (AP for short) provides essentially the same function as a router, except that multiple APs used in conjunction project a Wi-Fi network further than a single router ever could.
Now, from your router in your living room, the DuBois Library, it might be a little difficult to connect to from all the way up in your bedroom on Orchard Hill. Now imagine that your house is very large, let’s say the size of UMass Amherst. You may have the option of choosing between 2.4GHz and 5GHz channels, however that’s as complicated as it can get. In your house you have your router, which you connect to, and that’s all you need to do. If you are only used to household internet setups, the idea of roaming might be a little strange to think about. To understand what roaming is, you first have to know what device makes the software function necessary.
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