As most cell phones want the a lot quicker modes of interaction for example 4G or 3G, downgrading to 2G can have to have blocking frequency ranges for 4G and 3G.[19] The problem with the two sorts of IMSI Catchers, through the attacker’s standpoint, is always that what they are https://www.shoghicom.com/all-products/integrated-imsi-catcher--mobile-locator-system