To whom cannot check the Wi-Fi Frequency
Guide to find Router on your Laptop(or Desktop)
*Windows only : The security issues on Mac(Apple) is too complicated to access router information. For Mac users we recommend ask your Wi-Fi service provider.
1. Find out your connected Home Wi-Fi clicking the Wi-Fi sign below.
2. Click 'Properties'
3. Now you can find out Generation, Specifications, Frequency bands of your Home Wi-Fi.
*By the way, from the details above, 'Petpulslab' has 'Wi-Fi 4' generation, '802.11n' Specifications, '2.4 GHz' Frequency bands.