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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. T-Mobile US - Wikipedia

   en.wikipedia.org/wiki/T-Mobile_US

   On November 7, 2019, T-Mobile announced that its 600 MHz 5G network will launch on December 6, 2019. The network will launch alongside the first two 600 MHz 5G-capable devices, the Samsung Galaxy Note 10+ 5G and the OnePlus 7T Pro 5G McLaren Edition. [87] [88] On December 2, 2019, T-Mobile officially launched its 600 MHz 5G network.

4. List of UWB-enabled mobile devices - Wikipedia

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

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

5. T-Mobile CEO talks Sprint merger, iPhone 16 demand, what's ...

   www.aol.com/finance/t-mobile-ceo-iphone-16...

   T-Mobile stock is up 69% in the past four years, compared to a 27% drop for Verizon and a 1% decline for AT&T . T-Mobile Sievert lays out some big growth targets for Wall Street to digest at an ...

6. Samsung Galaxy Note 20 - Wikipedia

   en.wikipedia.org/wiki/Samsung_Galaxy_Note_20

   The two come with 5G standard connectivity, though some regions may have special LTE or sub-6 GHz only variants, and both omit the audio jack. [13] It has NFC, eSIM, and Ultra-wideband technology. [21] On April 14, 2021, the Galaxy Note20 Ultra 5G T-Mobile updated software to support eSIM and dual SIM (DSDS).

7. 5G - Wikipedia

   en.wikipedia.org/wiki/5G

   Wireless network technologies. In telecommunications, 5G is the fifth-generation technology standard for cellular networks, which cellular phone companies began deploying worldwide in 2019, and is the successor to 4G technology that provides connectivity to most current mobile phones. Like its predecessors, 5G networks are cellular networks, in ...