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  2. Wi-Fi hotspot - Wikipedia

    en.wikipedia.org/wiki/Wi-Fi_hotspot

    Additionally wireless chipset manufacturers such as Atheros, Broadcom, Intel and others, may add the capability for certain Wi-Fi NICs, usually used in a client role, to also be used for hotspot purposes. However, some service providers, such as AT&T, [21] Sprint, [22] and T-Mobile [23] charge users for this service or prohibit and disconnect ...

  3. Call blocking - Wikipedia

    en.wikipedia.org/wiki/Call_blocking

    Call blocking, also known as call block, call screening, or call rejection, allows a telephone subscriber to block incoming calls from specific telephone numbers. This feature may require an additional payment to the subscriber's telephone company or a third-party. Call blocking is desired by individuals who wish to block unwanted phone calls.

  4. H2O Wireless - Wikipedia

    en.wikipedia.org/wiki/H2O_Wireless

    h2o Wireless is a United States-based prepaid cell phone service, that utilizes the AT&T network. [2] It is a brand of mobile virtual network operator (MVNO) Locus Telecommunications, a subsidiary of Telrite Holdings, Inc., since 2019. [1] [3] Locus was formerly a subsidiary of KDDI America corporation, starting in 2010.

  5. Cellular traffic - Wikipedia

    en.wikipedia.org/wiki/Cellular_traffic

    These resources have to be used effectively to ensure that all users receive service, that is, the quality of service is consistently maintained. This need to carefully use the limited spectrum, brought about the development of cells in mobile networks, enabling frequency re-use by successive clusters of cells. [ 1 ]

  6. Wi-Fi calling - Wikipedia

    en.wikipedia.org/wiki/Wi-fi_calling

    Wi-Fi calling, also called VoWiFi, [1] refers to mobile phone voice calls and data that are made over IP networks using Wi-Fi, instead of the cell towers provided by cellular networks. [2] Using this feature, compatible handsets are able to route regular cellular calls through a wireless LAN (Wi-Fi) network with broadband Internet , while ...

  7. Tech Social 101’s first tip helps with blocking calls from potential scammers. To use this setting, first, go to Settings, then click on Phone and turn on the feature labeled “Silence Unknown ...

  8. Private WiFi | 30-Day Free* Trial | AOL Products

    www.aol.com/products/security/private-wifi

    Help protect your online privacy with Private WiFi. Encrypts and anonymizes internet browsing on up to 10 devices. Try it free* now!

  9. IMSI-catcher - Wikipedia

    en.wikipedia.org/wiki/IMSI-catcher

    Essentially a "fake" mobile tower acting between the target mobile phone and the service provider's real towers, it is considered a man-in-the-middle (MITM) attack. The 3G wireless standard offers some risk mitigation due to mutual authentication required from both the handset and the network. [ 2 ]

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