A free program for Android, by TAMAO.
This app will check the strength of your mobile phone's connection to other devices on the same network, and will also provide you with the network information you need to know.
The first thing you need to know is that, in general, your phone's connection is not good. This is because of various reasons, but the most important one is the distance between your phone and the nearest cellular antenna. The further the phone is from the cellular antenna, the weaker the signal it receives.
The app will show you the signal strength in dBm, as well as the percentage of the signal strength you are receiving.
