Explore the Wi$-$Fi details of your own device. If you have a laptop $($or PC with Wi$-$Fi$)$ try to use PowerShell with the WifiTools module $($see lecture slides for commands$).$ Otherwise, use your mobile phone to see nearby Access Points. Try to collect the following information about $2$ or $3$ different APs: SSID, BSSID, frequency band, channel, data rate you can connect with. While not required, the WiFi Analyzer app on Android shows useful information.