Alternatively, A person could jam the 3G or 4G bands by pumping a lot of white sounds into them, making it far too noisy to establish a link, and telephones will downgrade looking for a usable signal. LTE assistance downgrading is covered in detail at the conclusion of Area three.five. https://www.shoghicom.com/all-products/integrated-imsi-catcher--mobile-locator-system