If your device can see and SSID that contains "Fast" in the name, that device does support 5Ghz AND 2.4Ghz network access. To determine which to use, check out the descriptions of these networks below:
- A 5Ghz WiFi network will provide the fastest speeds for devices that support it. This network is less susceptible to interference but does not provide as much range as 2.4Ghz
- A 2.4Ghz WiFi network is slower, but it provides the best coverage (or range.) It's also compatible with more devices.
About Guest Networks
- Guest Networks provide your guests with full internet access but keeps them from accessing anything from your private network.