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The Global System for Mobile Communications (GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation digital cellular networks used by mobile devices such as mobile phones and tablets. GSM is also a trade mark owned by the GSM Association. [2] "
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 Ericsson R380 is a GSM Smartphone developed by Ericsson Mobile Communications. [1] It combines the functions of a mobile phone and a personal digital assistant (PDA), [2] and was introduced at CEBIT on 1999/2/18. [3] Released in November 2000, [4] it was the first device marketed as a 'Smartphone '. [5]
When talking about IS-95/GSM multi-mode phones, for example, or AMPS/IS-95 phones, the base band processing is very different from system to system. This leads to real difficulties in component integration and so to larger phones. An interesting special case of multi-mode phones is the WCDMA/GSM phone.
The following is a comparative list of smartphones belonging to smartphones in the Samsung Galaxy S series line of devices, using the Android operating system. This table is primarily intended to show the differences between the model families of phones in the Galaxy S series. The list only covers unlocked and international devices.
There once was a time when phones that flipped open and had a keyboard were all the rave -- and now, these same phones are worth a surprising value. Your old cell phone may be worth more than you ...
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