Measuring instrument that allows you to measure, in a single scan, the GSM, UMTS, LTE mobile phone signals of all phone operators (TIM, Vodafone, Wind/3, Iliad) present in the 700, 800, 900, 1800, 2100, 2600 MHz bands, providing the signal power in dBm, the type of network detected (2G, 3G, 4G), the quality of the LTE signals in dB, the Cell ID and the LAC code of the transmitting cell.