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  2. Mobile phone jammer - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_jammer

    Example of a mobile phone jammer, produced by Jammerspro. A mobile phone jammer or blocker is a device which deliberately transmits signals on the same radio frequencies as mobile phones, disrupting the communication between the phone and the cell-phone base station, effectively disabling mobile phones within the range of the jammer, preventing them from receiving signals and from transmitting ...

  3. IMSI-catcher - Wikipedia

    en.wikipedia.org/wiki/IMSI-catcher

    A targeted mobile phone is sent signals where the user will not be able to tell apart the device from authentic cell service provider infrastructure. [16] This means that the device will be able to retrieve data that a normal cell tower receives from mobile phones if registered.

  4. Stingray phone tracker - Wikipedia

    en.wikipedia.org/wiki/Stingray_phone_tracker

    The boosting of power, however, is limited by the design of the devices to a maximum setting. The standard systems are not "high power" and thus can be overpowered by secret systems using much more boosted power that can then take over a user's cell phone. If overpowered that way, a cell phone will not indicate the change due to the secret ...

  5. Redmi K20 - Wikipedia

    en.wikipedia.org/wiki/Redmi_K20

    Redmi K20 Pro and Redmi K20 (Xiaomi Mi 9T Pro and Xiaomi Mi 9T globally) [1] are smartphones introduced by the Xiaomi sub-brand Redmi in an event held in China. A Premium variant for the Pro was later revealed, with the Snapdragon 855+, a new 512 GB/12 GB RAM model, a refined cooling system, and an exclusive finish.

  6. List of Oppo products - Wikipedia

    en.wikipedia.org/wiki/List_of_Oppo_products

    Qualcomm Snapdragon 695 5G 256 GB 8/12 GB 50 MP + 2 MP Android 13 ColorOS 13.1 A2 Pro 15 September 2022 6.7" 120 Hz FHD+ (1080×2412 px) AMOLED Mediatek Dimensity 7050 256/512 GB 8/12 GB 64 MP + 2 MP 8 MP Android 13 ColorOS 13.1 5000 mAh A2x 12 October 2023 6.56" 90 Hz HD+ (720×1612 px) IPS LCD Mediatek Dimensity 6020 128/256 GB

  7. Radio jamming - Wikipedia

    en.wikipedia.org/wiki/Radio_jamming

    Portable jammers are phone-sized and low-powered devices. They can block data delivery at a distance up to 15 meters without barriers. Stationary jammers are more expensive and powerful. They usually have a larger jamming radius and wider frequency band. Strong jammers can require additional cooling as they can overheat.