WiDEN
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Computer Science Clay
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30-07-2009, 04:02 PM


WiDEN enhanced specialized mobile radio (or ESMR) wireless telephony protocol of Motorola employs this software upgrade developed by the company. In a WiDEN or Wideband Integrated Dispatch Enhanced Network by applying a bandwidth of 100 kbit/s the subscriber can communicate over four 25 kHz channels. The iM240 PCMCIA card that can transmit the data at a speed of 60 kbit/s was the first WiDEN-compatible device to be released by Motorola. Unveiled in mid-summer 2005, the first WiDEN-compatible telephones, the motorola i850 and the i760 used the software upgrade of i850/i760 which puts them in the WIDEN network. The Motorola i870 c, released on 31 October 2005, made possible the commercial launch of WiDEN. Today this new technology is widely used in Nextel s National Network.

Update: Since the Sprint Nextel merger the company determined that because Sprint s CDMA network was already 3G and going to EVDO (broadband speeds) and then EVDO Rev A (T-1 speeds) it would be redundant to keep upgrading the IDEN data network.
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rajeshwari
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05-01-2010, 11:49 AM

widen
widen
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justlikeheaven
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06-01-2010, 05:56 PM

WiDEN(WIRELESS Integrated Digital Enhanced Network)
Integrated Digital Enhanced Network (iDEN) is a mobile telecommunications 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 and two-way radio systems, by using speech compression and time division multiple access (TDMA).WiDEN upgrades this platform. WiDEN was originally expexted to be released from Nextel Communications . But its merger with Sprint led to favouring sprint's CDMA. The first WiDEN-compatible device to be released was the Motorola iM240 PC card card which allow data speeds up to 60 kbit/s. Wideband iDEN “ A software upgrade developed by Motorola for its iDEN enhanced specialized
mobile radio (or ESMR) wireless telephony protocol. WiDEN allows compatible subscriber units to
communicate across four 25 kHz channels combined, for up to 100 kbit/s of bandwidth. The protocol is
generally considered a 2.5G wireless cellular technology.
Motorola i850 and i760 are the first WiDEN-compatible telephones. release of the Motorola i870 in Oct 2005 was the commercial launch of WiDEN. WiDEN was available in most places on Nextel's National Network.
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