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2. List of wireless network technologies - Wikipedia

   en.wikipedia.org/wiki/List_of_wireless_network...

   4G provides, in addition to the usual voice and other services of 3G, mobile broadband Internet access, for example to laptops with wireless modems, to smartphones, and to other mobile devices. Potential and current applications include amended mobile web access, IP telephony , gaming services, high-definition mobile TV , video conferencing, 3D ...

3. List of mobile virtual network operators in the United States

   en.wikipedia.org/wiki/List_of_mobile_virtual...

   Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.

4. iPhone 4 - Wikipedia

   en.wikipedia.org/wiki/IPhone_4

   This is an accepted version of this page This is the latest accepted revision, reviewed on 15 January 2025. 2010 smartphone by Apple "iPhone 4G" redirects here. For the first iPhone with 4G networking, see iPhone 5. Not to be confused with iPhone 4s. iPhone 4 iPhone 4 (GSM model) in black Developer Apple Inc. Manufacturers Foxconn (UMTS/GSM model) Pegatron (CDMA model) Type Smartphone ...

5. AT&T Mobility - Wikipedia

   en.wikipedia.org/wiki/AT&T_Mobility

   AT&T Prepaid (stylized AT&T PREPAID; formerly GoPhone) is a prepaid mobile phone service from AT&T Mobility. The GoPhone name and product were originally conceived and implemented by McCaw Cellular by its founder Craig McCaw and first used in commerce in 1987 by his company.

6. What is Apple's 'SOS mode'? iPhone feature lets you make ...

   www.aol.com/apples-sos-mode-iphone-feature...

   AT&T cellphone users across America were experiencing outages Thursday that cut off their access to cellular service. For now, the company is advising users to connect to Wi-Fi to access ...

7. Comparison of mobile phone standards - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_mobile_phone...

   Comparison of mobile Internet access methods Common name Family Primary use Radio tech Downstream (Mbit/s) Upstream (Mbit/s) Notes HSPA+: 3GPP: Mobile Internet: CDMA/TDMA/FDD MIMO: 21 42 84 672: 5.8 11.5 22 168: HSPA+ is widely deployed. Revision 11 of the 3GPP states that HSPA+ is expected to have a throughput capacity of 672 Mbit/s. LTE: 3GPP ...

8. Cellular frequencies in the United States - Wikipedia

   en.wikipedia.org/wiki/Cellular_frequencies_in...

   Professional wireless microphones used the 700 MHz band until 2010 when they were made illegal, but equipment still exists in use that may interfere with 3G and 4G technologies. [10] Due to immediate adjacency to channel 51 lower 700 MHz A block license holders were prohibited to use it within channel 51 station service areas.

9. Comparison of smartphones - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_smartphones

   Qualcomm Snapdragon 680 4G Octa-Core, (4x2.8 GHz Cortex-A73 + 4x1.9 GHz Cortex-A53) Adreno 610 128/256 GB None 8 GB Android EMUI 14.2 163.3 mm × 74.7 mm × 8.4 mm 199 g 5000 mAh USB-C, 40 W 6.7" 1080 x 2388, 90 Hz IPS 108 MP (wide) + 2 MP (depth) 1080p@30 fps 8 MP Side-mounted Poco X7 MediaTek Dimensity 7300 Ultra Octa-Core,