This app was mentioned in 4 comments, with an average of 1.00 upvote
>il telefono solo la connessione da 2 Ghz
Controlla che non ci siano altri router wifi intorno a te che trasmettono sullo stesso canale, se la risposta è affermativa cambia il canale del tuo a 1 6 o 11.
Ci sono millemila app per android, io generalmente uso questa.
These are some really great tips here, thanks a lot! I can also recommend you to check out the app from https://play.google.com/store/apps/details?id=cz.webprovider.wifianalyzer for Android. It will help you set up your routers more properly for better connection. I used it, and it allowed me to improve the strength of Wi-Fi signal dramatically!
Oh, I forgot the app. I don't know if you have an android phone, but I use one called Wifi Analyzer.
What is the Wi-Fi congestion like near you? https://play.google.com/store/apps/details?id=cz.webprovider.wifianalyzer for Android for example.