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A cellular digital accessory (CDA) number identifies the software version and customization of a Mobile phone. Customization, among others, relates to operator-customized startup and shutdown videos, user greeting, web browser's home page and preinstalled bookmarks and also language packs that come preinstalled with the phone.
In the U.S., the analog AMPS standard that used the cellular band (800 MHz) was replaced by a number of digital systems. Initially, systems based upon the AMPS mobile phone model were popular, including IS-95 (often known as " CDMA ", the air interface technology it uses) and IS-136 (often known as D-AMPS, Digital AMPS, or " TDMA ", the air ...
Cellular network standards and generation timeline. This is a comparison of standards of wireless networking technologies for devices such as mobile phones. A new generation of cellular standards has appeared approximately every tenth year since 1G systems were introduced in 1979 and the early to mid-1980s.
The LG G Watch (model W100, codenamed Dory) is an Android Wear-based smartwatch announced and released by LG and Google on June 25, 2014. It was released along with the Samsung Gear Live as launch devices for Android Wear , a modified version of Android designed specifically for smartwatches and other wearables. [ 2 ]
Cellular networks or WAN are designed for citywide/national/global coverage areas and seamless mobility from one access point (often defined as a base station) to another allowing seamless coverage for very wide areas. Cellular network technologies are often split into 2nd generation 2G, 3G and 4G networks. Originally 2G networks were voice ...
The LG G Watch is the first Android Wear smartwatch to be released and shipped. Motorola's Moto 360 was released on September 5, 2014. On December 10, 2014, an update started to roll out, adding new features including a watch face API and changed the software to be based on Android 5.0 "Lollipop" .
D-AMPS: Digital Advanced Mobile Phone System based on TDMA; cdmaOne: Code Division Multiple Access defined by IS-95; PDC: Personal Digital Cellular; TDMA: Time Division Multiple Access; 2.5G: A set of transition technologies between 2G and 3G wireless technologies. In addition to voice, it involves digital communication technologies that ...
CDMA2000 1X (IS-2000), also known as 1x and 1xRTT, is the core CDMA2000 wireless air interface standard.The designation "1x", meaning 1 times radio transmission technology, indicates the same radio frequency (RF) bandwidth as IS-95: a duplex pair of 1.25 MHz radio channels. 1xRTT almost doubles the capacity of IS-95 by adding 64 more traffic channels to the forward link, orthogonal to (in ...