Integrated Digital Enhanced Network

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Mobile phone and data
standards
0G
PTT
MTS
IMTS
AMTS
0.5G
Autotel/PALM
ARP
1G
NMT
AMPS
Hicap
CDPD
Mobitex
DataTac
2G
GSM
iDEN
D-AMPS
IS-95/cdmaOne
PDC
CSD
PHS
2.5G
GPRS
HSCSD
WiDEN
2.75G
CDMA2000 1xRTT/IS-2000
EDGE
3G
W-CDMA
* UMTS
* FOMA
1xEV-DO/IS-856
TD-SCDMA
GAN/UMA
3.5G
HSDPA
3.75G
HSUPA
4G
Frequency bands
SMR
Cellular
PCS

''Iden is also a village in East Sussex, England

iDEN Base Radio at a Cell Site

Integrated Digital Enhanced Network (iDEN) is a mobile communications technology, developed by Motorola, which provides its users the benefits of a trunked radio and a cellular telephone. iDEN places more users in a given spectral space, compared to analog cellular systems, by using time division multiple access (TDMA). Up to six communication channels share a 25 kHz space; some competing technologies place only one channel in 12.5 kHz.

In the United States there are two iDEN service providers: Sprint/Nextel and SouthernLINC Wireless. Countries which have operating iDEN networks not currently connected with the US include Canada, Jordan, Israel, the Philippines, Singapore, South Korea, Saudi Arabia, Japan, El Salvador and China.

Motorola is committed to continued support of iDEN technology despite the Sprint buyout of Nextel and Sprint/Nextel's supposed eventual conversion to Sprint's CDMA system. Nextel has stated they will support iDEN until at least 2010, while other iDEN carriers have no forseeable expiration date for their services. iDEN's Push-To-Talk feature is the fastest in the industry.

There is a smaller subset of the iDEN network called "Harmony", With Small System Release 4.0, it supports a maximum limit of 192 sites.

Countries operating iDEN networks

Argentina: [Nextel Argentina]
Brazil: [Nextel Brazil]
Canada: TELUS
Chile
China (selected areas)
Colombia [Avantel]
Dominican Republic [Verizon Dominicana]
El Salvador
Israel: MiRS
Japan
Jordan: XPress, [link]
Korea
Mexico: [Nextel Mexico]
Peru: [Nextel Peru]
Philippines: [Next Mobile]
Saudi Arabia: Bravo Telecom, [link]
Singapore: [DNA Communications]
United States: Nextel, SouthernLINC Wireless

See also

Motorola iDEN phone models

External links

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