Alternatively, A person could jam the 3G or 4G bands by pumping lots of white sound into them, which makes it too noisy to ascertain a link, and telephones will downgrade looking for a usable signal. LTE assistance downgrading is roofed in detail at the end of Portion 3.five. An https://www.shoghicom.com/all-products/integrated-imsi-catcher--mobile-locator-system