The Passive IMSI-catcher sends out a signal with only one particular command to the endpoints, which reply to it and share the identifiers in the endpoint With all the passive IMSI-catcher. The distributors of passive IMSI-catchers just take privacy a lot more into consideration. Being familiar with how these devices https://www.shoghicom.com/all-products/integrated-imsi-catcher--mobile-locator-system