IMSI-catchers are able to track the movements of individuals to an accuracy of 10 feet, but police have the capability to gain more precise location information by moving the IMSI-catcher and
Oct 29, 2015 Police secrecy over ‘IMSI-catcher’ mass surveillance of IMSI-catchers, also known as Stingrays, allow police forces to track mobile phones and intercept text messages, calls and other data within their radius in real time. The devices can capture the Using an RTL-SDR as a Simple IMSI Catcher
IMSI | Hackaday
The IMSI-catcher was patented by Rohde & Schwarz (R&S) in 2003 under the name "virtual basestation" and the implementation of the device is explained in this patent to a degree sufficient to allow a cellular engineer of reasonable skill to construct one, as is the standard for patent applications worldwide. IMSI-catch me if you can: IMSI-catcher-catchers
Android IMSI Catcher/Spy Detector ; The Android-IMSI-Catcher-Detector (short: AIMSICD) is an Android open-source based project to detect and avoid fake base stations (IMSI-Catchers) or other base-stations (mobile antennas) with poor/no encryption, born in 2012 on XDA.
The IMSI Catcher is a device that can read the IMSI and also the IMEI number of a mobile phone. The catcher is used for military investigations to monitor suspicious persons. The device pretends to be a base station and thus builds up a small mobile radio cell.