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  2. IMSI-catcher - Wikipedia

    en.wikipedia.org/wiki/IMSI-catcher

    Police departments have been reluctant to reveal use of these programs and contracts with vendors such as Harris Corporation, the maker of Stingray and Kingfish phone tracker devices. [ 9 ] In the UK, the first public body to admit using IMSI catchers was the Scottish Prison Service , [ 10 ] though it is likely that the Metropolitan Police ...

  3. Cellphone surveillance - Wikipedia

    en.wikipedia.org/wiki/Cellphone_surveillance

    The Fremont Police Department's use of a StingRay device is in a partnership with the Oakland Police Department and Alameda County District Attorney's Office. [1] End-to-end encryption such as Signal protects message and call traffic against StingRay devices using cryptographic strategies. [6] A typical cell tower mounted on electric lines.

  4. Stingray phone tracker - Wikipedia

    en.wikipedia.org/wiki/Stingray_phone_tracker

    A StingRay can be used to identify and track a phone or other compatible cellular data device even while the device is not engaged in a call or accessing data services. [25] A Stingray closely resembles a portable cellphone tower. Typically, law enforcement officials place the Stingray in their vehicle with a compatible computer software.

  5. Stingray use in United States law enforcement - Wikipedia

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

    Much of the info on stingray devices was provided by Rigmaiden himself, who looked for how authorities had discovered he was committing tax fraud. [21] [22] In January 2016, in the case of United States v. Patrick, the Seventh Circuit Court of Appeals, upheld the warrantless use of a stingray to locate the suspect. [23]

  6. 2G - Wikipedia

    en.wikipedia.org/wiki/2G

    2G, or second-generation cellular network technology, marks the transition from analog to digital communication in mobile networks. Defined by the European Telecommunications Standards Institute (ETSI) under the GSM standard, which became the first globally adopted framework for mobile communications, 2G was first commercially launched in 1991 by Radiolinja (now part of Elisa Oyj) in Finland. [1]

  7. Enhanced Data rates for GSM Evolution - Wikipedia

    en.wikipedia.org/wiki/Enhanced_Data_Rates_for...

    In EDGE, a single RLC data block (ranging from 23 to 148 bytes of data) is transmitted over four frames, using a single time slot. On average, this requires 20 ms for one way transmission. Under the RTTI scheme, one data block is transmitted over two frames in two timeslots, reducing the latency of the air interface to 10 ms.

  8. Samsung Infuse 4G - Wikipedia

    en.wikipedia.org/wiki/Samsung_Infuse_4G

    It supports UMTS, HSDPA, HSUPA, 2G (Edge), 3G and pseudo 4G (enhanced 3g) via HSDPA Category 14 supporting up to 21.1 megabits per second. This is the third HSDPA+ phone in AT&T's range, after the Motorola Atrix and HTC Inspire 4G , though this is the first one rated at the full 21 Mbit/s bandwidth of its limited available backhauled (fiber ...

  9. Windows Messenger service - Wikipedia

    en.wikipedia.org/wiki/Windows_Messenger_service

    Messenger service is a network-based system notification Windows service by Microsoft that was included in some earlier versions of Microsoft Windows. This retired technology, although it has a similar name, is not related in any way to the later, Internet-based Microsoft Messenger service for instant messaging or to Windows Messenger and ...