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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. List of Android TV devices - Wikipedia

   en.wikipedia.org/wiki/List_of_Android_TV_devices

   TVB Anywhere Android TV Box [15] Polytron Mola Streaming, [16] and PLAY 2 4K Smart Android TV Box (Indonesia) [17] IndiHome (Indonesia) First Media (Indonesia) MNC Play Vision+ TV (Indonesia) [18] Nex Parabola NexVidio (Indonesia) [19] [20] Transvision XStream (Indonesia) [21] StarHub Go Streaming Box, [22] and StarHub TV+ Box (Singapore) [23 ...

5. 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 ...

6. Voice over LTE - Wikipedia

   en.wikipedia.org/wiki/Voice_over_LTE

   Voice over Long-Term Evolution ( acronym VoLTE) is an LTE high-speed wireless communication standard for voice calls and SMS using mobile phones and data terminals. [ 1][ 2] VoLTE has up to three times more voice and data capacity than older 3G UMTS and up to six times more than 2G GSM. It uses less bandwidth because VoLTE's packet headers are ...

7. 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 ...

8. iPhone SE (2nd generation) - Wikipedia

   en.wikipedia.org/wiki/IPhone_SE_(2nd_generation)

   The second-generation iPhone SE (also known as the iPhone SE 2 or the iPhone SE 2020) is a smartphone designed, developed, and marketed by Apple Inc. It is part of the 13th generation of the iPhone, alongside the iPhone 11 and 11 Pro/Pro Max models. Apple announced it on April 15, 2020, coinciding with the discontinuation of the iPhone 8 and 8 ...

9. Motorola Droid - Wikipedia

   en.wikipedia.org/wiki/Motorola_Droid

   The Motorola Droid ( GSM / UMTS version: Motorola Milestone) is an Internet and multimedia -enabled smartphone designed by Motorola, which runs Google 's Android operating system. The Droid had been publicized under the codenames Sholes and Tao[ 4][ 5] and the model number A855. [ 6] In Latin America and Europe, the model number is A853 ...