This application allows the analysis of the quality of signals from the RF modules i-MINILide HF provided by the company SN Microlide at given points. It allows to define the best location for the HF or HF relay modules. This application works with the device "RF Tester" also provided by the company SN Microlide, connected via USB to your Android smartphone or tablet. Warning: Your Android device must support OTG's USB port. There are applications on the Play Store that enable whether OTG is supported or not.