Difference between pages "Global System for Mobile Communications" and "IDEN"

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The '''Global Systems for Mobile Communications''' ('''GSM'''), is a radio-based technology that allows [[mobile phones]] to communicate. GSM is considered to be the world's most ubiquitous radio-based cellular technology, with 1.7 billion users as of March 2006. In the United States, carriers such as [[T-Mobile]] and [[Cingular]] utilize GSM technology for their cellular networks.
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The '''Integrated Digital Enhanced Network''' ('''iDEN''') is a proprietary mobile communications technology from [[Motorola]]. It is a [[TDMA]] based digital wireless standard that operates in the 800 MHz, 900MHz, and 1.5 GHz bands. It combines the capabilities of a [[cell phones|digital cellular telephone]] and a two-way radio known as [[push-to-talk]] ([[PTT]]).
  
= GSM Cell Phone Providers =
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Motorola’s iDEN technology phones support many other features including [[Bluetooth]], location-based services, [[MOTOTalk]] and support for expandable memory ([[Micro SD]]). [[Sprint Nextel]] is the largest U.S. retailer of iDEN services.
  
== USA ==
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Newer iDEN phones use a [[SIM card]] that is compatible with [[GSM]] phones for overseas roaming but iDEN is a very different standard from GSM. iDEN phones are not compatible with GSM networks and GSM phones are not compatible with iDEN networks.
  
* [[Cingular]]
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== History ==
* [[T-Mobile]]
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== Other ==
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iDEN was invented by Motorola who is presently the primary manufacturer of iDEN devices.
  
* [[T-Mobile]]
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[[Nextel]] has started to develop a 2.5G technology called '''WiDEN''' (an expansion of iDEN) that includes four carriers (100kHz) into one channel. This results in a much higher download speed of 96 kbit/s.
* [[Vodafone]]
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* [[O2]]
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= Operational Characteristics =
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== Software ==
  
== Network Principles ==
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Software for acquiring a iDEN data includes:
  
GSM is considered to be 2G and uses digital data for both signaling and voice purposes. GSM uses a time division multiple access ([[TDMA]]) protocol to transmit information. Aside from voice, [[GPRS]] and [[EDGE]] allow for data transmissions across a GSM network.
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* [[iDEN Companion Pro]]
 
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* [[iDEN Media Downloader]]
== Radio Communication ==
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* [[iDEN Phonebook Manager]]
 
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* [[SIMiFOR]]
In terms of frequencies used, GSM networks often use the 900MHz and 1800MHz bands, but carriers in the United States use 850MHz and 1900MHz bands. As a result, "dual-band" phones, which only support two of the four major bands, can only be used in certain parts of the world. More common are "tri-band" phones, which usually operate on 900/1800MHz and 1900MHz. "Quad-band" phones support all four frequencies and can be used in all parts of the world.
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* [[SIM Explorer]]
 
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== Security and Encryption ==
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* [[SIM Card]]
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* [[Security Standards]]
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* [[Authentication Standards]]
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= GSM Forensics =
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* [[Phone with SIM Card]]
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* [[Phone without SIM Card]]
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* [[SIM Card]]
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== External Links ==
 
== External Links ==
  
* [http://www.gsmworld.com/index.shtml GSM World]
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* [http://idenphones.motorola.com/idenHome/common/what_is_iden.jsp Motorola: The iDEN Solution]
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* [http://idenphones.motorola.com/iden/iden_home.jsp iDEN Home]
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* [http://www.phoneyworld.com/newspage.aspx?n=1907 Motorola i580 iDEN]
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* [http://en.wikipedia.org/wiki/Integrated_Digital_Enhanced_Network Wikipedia: Integrated Digital Enhanced Network]

Latest revision as of 05:11, 22 April 2009

The Integrated Digital Enhanced Network (iDEN) is a proprietary mobile communications technology from Motorola. It is a TDMA based digital wireless standard that operates in the 800 MHz, 900MHz, and 1.5 GHz bands. It combines the capabilities of a digital cellular telephone and a two-way radio known as push-to-talk (PTT).

Motorola’s iDEN technology phones support many other features including Bluetooth, location-based services, MOTOTalk and support for expandable memory (Micro SD). Sprint Nextel is the largest U.S. retailer of iDEN services.

Newer iDEN phones use a SIM card that is compatible with GSM phones for overseas roaming but iDEN is a very different standard from GSM. iDEN phones are not compatible with GSM networks and GSM phones are not compatible with iDEN networks.

History

iDEN was invented by Motorola who is presently the primary manufacturer of iDEN devices.

Nextel has started to develop a 2.5G technology called WiDEN (an expansion of iDEN) that includes four carriers (100kHz) into one channel. This results in a much higher download speed of 96 kbit/s.

Software

Software for acquiring a iDEN data includes:

External Links