WiDEN
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17-09-2009, 12:39 AM


WiDEN

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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