There is a wide variety of jammers. The more common are what inhibit the use of signals: GPS, GSM, 3G/4G or Wi-Fi. Within this classification they vary depending on their potency and their range of inhibition. 📶
El price of these inhibitors is really high with a price range of €4000-6000. The buyers of this type of product are the security forces and official organizations. Universities, colleges, cinemas, libraries and churches can also request authorization to install them, but its approval is not usual. 💼