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2. Comparison of mobile phone standards - Wikipedia

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

   GSM uses TDMA and FDMA for user and cell separation. UMTS, IS-95 and CDMA-2000 use CDMA. WiMAX and LTE use OFDM . Time-division multiple access (TDMA) provides multiuser access by chopping up the channel into sequential time slices. Each user of the channel takes turns to transmit and receive signals.

3. List of iPhone models - Wikipedia

   en.wikipedia.org/wiki/List_of_iPhone_models

   The backs of an iPhone 6, an iPhone 7, an iPhone 8, and an iPhone SE (3rd generation) The iPhone, developed by Apple Inc., is a line of smartphones that combine a mobile phone, digital camera, personal computer, and music player into one device. Introduced by then-CEO Steve Jobs on January 9, 2007, the iPhone revolutionized the mobile phone ...

4. History of mobile phones - Wikipedia

   en.wikipedia.org/wiki/History_of_mobile_phones

   2G also introduced the ability to access media content on mobile phones. In 1998, the first downloadable content sold to mobile phones was the ring tone, launched by Finland's Radiolinja (now Elisa). Advertising on the mobile phone first appeared in Finland when a free daily SMS news headline service was launched in 2000, sponsored by advertising.

5. iPhone - Wikipedia

   en.wikipedia.org/wiki/IPhone

   The iPhone is a smartphone produced by Apple that uses Apple's own iOS mobile operating system. The first-generation iPhone was announced by then–Apple CEO Steve Jobs on January 9, 2007. Since then, Apple has annually released new iPhone models and iOS updates. As of November 1, 2018, more than 2.2 billion iPhones had been sold.

6. List of UWB-enabled mobile devices - Wikipedia

   en.wikipedia.org/wiki/List_of_UWB-enabled_mobile...

   Compatible asset tracking network UWB Controller Apple: HomePod Mini: iOS 16.3, iPadOS 16.3 or later: November 2020 Apple's Find My: Apple U1 HomePod (2nd generation) January 2023 Apple U1 [16] AirTag: iOS 14.5, iPadOS 14.5 or later: April 2021 Apple U1 [17] AirPods Pro 2: iOS 15.1, iPadOS 15.1 or later: September 2022 Case only Apple U1 ...

7. History of the iPhone - Wikipedia

   en.wikipedia.org/wiki/History_of_the_iPhone

   A week later, Virgin Mobile USA became the second American prepaid carrier to offer iPhone 4 and 4S, announcing plans to release the phones on June 29, 2012. [84] T-Mobile USA's inability to provide iPhone to customers raised its subscription churn rate, decreased the percentage of lucrative postpaid customers, and contributed to parent ...

8. iPhone (1st generation) - Wikipedia

   en.wikipedia.org/wiki/IPhone_(1st_generation)

   The iPhone[ 10] (retroactively referred to as the iPhone 2G, [ 11] iPhone 1, [ 12] or original iPhone[ 11]) is the first iPhone model and the first smartphone designed, developed, and marketed by Apple Inc. After years of rumors and speculation, it was officially announced on January 9, 2007, [ 13] and was released in the United States on June ...

9. iPhone 11 Pro - Wikipedia

   en.wikipedia.org/wiki/IPhone_11_Pro

   The iPhone 11 Pro and 11 Pro Max both have an A13 Bionic processor. Both phones have three internal storage options: 64 GB, 256 GB, and 512 GB, and have 4 GB of RAM. [2] Both models are rated IP68 water and dust resistant, and are resistant for 30 minutes at a depth of 4 meters. The warranty does not cover any water damage to the phone.