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  2. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [ 1 ] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...

  3. Type Allocation Code - Wikipedia

    en.wikipedia.org/wiki/Type_Allocation_Code

    The Type Allocation Code (TAC) is the initial eight- digit portion of the 15-digit IMEI and 16-digit IMEISV codes used to uniquely identify wireless devices. The Type Allocation Code identifies a particular model (and often revision) of wireless telephone for use on a GSM, UMTS, LTE, 5G NR, iDEN, Iridium or other IMEI-employing wireless network ...

  4. A new technique can detect newer 4G ‘stingray’ cell phone ...

    techcrunch.com/2020/08/05/crocodile-hunter-4g...

    Newer cell site simulators, called “Hailstorm” devices, take advantage of similar flaws in 4G that let police snoop on newer phones and devices. Some phone apps claim they can detect stingrays ...

  5. Your Android phone could have stalkerware — here’s how to ...

    techcrunch.com/2024/04/19/remove-android-spyware

    If you do not recognize a downloaded service in the Accessibility options, you may want to switch it off in the settings and remove the app. Some stalkerware apps are disguised as ordinary looking ...

  6. Stingray use in United States law enforcement - Wikipedia

    en.wikipedia.org/wiki/Stingray_use_in_United...

    The use of stingrays by United States law enforcement is an investigative technique used by both federal and local law enforcement in the United States to obtain information from cell phones by mimicking a cell phone tower. The devices which accomplish this are generically known as IMSI-catchers, but are commonly called stingrays, a brand sold ...

  7. Here are the devices law enforcement use to spy on you - Engadget

    www.engadget.com/2015-12-17-spy-hardware-catalog...

    Updated Thu, Dec 17, 2015 · 2 min read. The Intercept obtained the catalog of devices used by federal and local law enforcement to collect and monitor cell phone data. The tracking hardware ...

  8. Inside TheTruthSpy, the stalkerware network spying on thousands

    techcrunch.com/2022/10/26/inside-thetruthspy...

    The Coalition Against Stalkerware also has resources if you think your phone has been compromised by spyware. You can contact this reporter on Signal and WhatsApp at +1 646-755-8849 or zack ...

  9. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    Zone 5 uses eight 2-digit codes (51–58) and two sets of 3-digit codes (50x, 59x) to serve South and Central America. Zone 6 uses seven 2-digit codes (60–66) and three sets of 3-digit codes (67x–69x) to serve Southeast Asia and Oceania. Zone 7 uses an integrated numbering plan; two digits (7x) determine the area served: Russia or Kazakhstan.