Before installing the GSM repeater it is advisable to measure the available GSM signal. This measurement basically tells us where we will have to place the external antenna. In this article we will understand how to measure GSM signal with Android.

As the name"GSM REPEATER" indicates, a mobile signal repeater, also called a GSM booster, amplifies the mobile signal.

An outdoor antenna captures the signal, the GSM repeater amplifies the signal and the indoor antenna sends the signal to the area where we need it. In this article, you will discover how a GSM repeater works and what is important for its correct installation.

More and more phones are suitable for calling over 4G. But what are the advantages, how does it work and how do I know if I can already make calls via 4G? Read all about 4G calls here