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- Cellular_digital_packet_data abstract "Cellular Digital Packet Data (CDPD) was a wide-area mobile data service which used unused bandwidth normally used by AMPS mobile phones between 800 and 900 MHz to transfer data. Speeds up to 19.2 kbit/s were possible. The service was discontinued in conjunction with the retirement of the parent AMPS service; it has been functionally replaced by faster services such as 1xRTT, EV-DO, and UMTS/HSPA.Developed in the early 1990s, CDPD was large on the horizon as a future technology. However, it had difficulty competing against existing slower but less expensive Mobitex and DataTac systems, and never quite gained widespread acceptance before newer, faster standards such as GPRS became dominant.CDPD had very limited consumer products. AT&T Wireless first sold the technology in the United States under the PocketNet brand. It was one of the first products of wireless web service. Digital Ocean, Inc. an OEM licensee of the Apple Newton, sold the Seahorse product, which integrated the Newton handheld computer, an AMPS/CDPD handset/modem along with a web browser in 1996, winning the CTIA's hardware product of the year award as a smartphone, arguably the world's first. A company named OmniSky provided service for Palm V devices. Cingular Wireless later sold CDPD under the Wireless Internet brand (not to be confused with Wireless Internet Express, their brand for GPRS/EDGE data). PocketNet was generally considered a failure with competition from 2G services such as Sprint's Wireless Web. AT&T Wireless sold four PocketNet Phone models to the public: the Samsung Duette and the Mitsubishi MobileAccess-120 were AMPS/CDPD PocketNet phones introduced in October 1997; and two IS-136/CDPD Digital PocketNet phones, the Mitsubishi T-250 and the Ericsson R289LX.Despite its limited success as a consumer offering, CDPD was adopted in a number of enterprise and government networks. It was particularly popular as a first-generation wireless data solution for telemetry devices (machine to machine communications) and for public safety mobile data terminals.In 2004, major carriers in the United States announced plans to shut down CDPD service. In July 2005, the AT&T Wireless and Cingular Wireless CDPD networks were shut down. Equipment for this service now has little to no residual value.".
- Cellular_digital_packet_data wikiPageExternalLink showthread.php?tid=393.
- Cellular_digital_packet_data wikiPageExternalLink et.html.
- Cellular_digital_packet_data wikiPageExternalLink cdpd.
- Cellular_digital_packet_data wikiPageID "7331".
- Cellular_digital_packet_data wikiPageLength "4257".
- Cellular_digital_packet_data wikiPageOutDegree "17".
- Cellular_digital_packet_data wikiPageRevisionID "674361894".
- Cellular_digital_packet_data wikiPageWikiLink 1xRTT.
- Cellular_digital_packet_data wikiPageWikiLink AT&T_Mobility.
- Cellular_digital_packet_data wikiPageWikiLink AT&T_Wireless.
- Cellular_digital_packet_data wikiPageWikiLink Advanced_Mobile_Phone_System.
- Cellular_digital_packet_data wikiPageWikiLink Bandwidth_(signal_processing).
- Cellular_digital_packet_data wikiPageWikiLink CDMA2000.
- Cellular_digital_packet_data wikiPageWikiLink Category:Mobile_telecommunications.
- Cellular_digital_packet_data wikiPageWikiLink Cingular_Wireless.
- Cellular_digital_packet_data wikiPageWikiLink DataTAC.
- Cellular_digital_packet_data wikiPageWikiLink DataTac.
- Cellular_digital_packet_data wikiPageWikiLink EV-DO.
- Cellular_digital_packet_data wikiPageWikiLink Evolution-Data_Optimized.
- Cellular_digital_packet_data wikiPageWikiLink GPRS.
- Cellular_digital_packet_data wikiPageWikiLink General_Packet_Radio_Service.
- Cellular_digital_packet_data wikiPageWikiLink High_Speed_Packet_Access.
- Cellular_digital_packet_data wikiPageWikiLink Mobile_phone.
- Cellular_digital_packet_data wikiPageWikiLink Mobitex.
- Cellular_digital_packet_data wikiPageWikiLink OmniSky.
- Cellular_digital_packet_data wikiPageWikiLink Telemetry.
- Cellular_digital_packet_data wikiPageWikiLink UMTS.
- Cellular_digital_packet_data wikiPageWikiLink United_States.
- Cellular_digital_packet_data wikiPageWikiLink Universal_Mobile_Telecommunications_System.
- Cellular_digital_packet_data wikiPageWikiLinkText "''CDPD''".
- Cellular_digital_packet_data wikiPageWikiLinkText "CDPD".
- Cellular_digital_packet_data wikiPageWikiLinkText "Cellular digital packet data".
- Cellular_digital_packet_data wikiPageWikiLinkText "Cellular_digital_packet_data".
- Cellular_digital_packet_data wikiPageWikiLinkText "cellular digital packet data".
- Cellular_digital_packet_data hasPhotoCollection Cellular_digital_packet_data.
- Cellular_digital_packet_data wikiPageUsesTemplate Template:Mobile_telecommunications_standards.
- Cellular_digital_packet_data wikiPageUsesTemplate Template:No_footnotes.
- Cellular_digital_packet_data subject Category:Mobile_telecommunications.
- Cellular_digital_packet_data hypernym Service.
- Cellular_digital_packet_data type Article.
- Cellular_digital_packet_data type Organisation.
- Cellular_digital_packet_data type Article.
- Cellular_digital_packet_data comment "Cellular Digital Packet Data (CDPD) was a wide-area mobile data service which used unused bandwidth normally used by AMPS mobile phones between 800 and 900 MHz to transfer data. Speeds up to 19.2 kbit/s were possible. The service was discontinued in conjunction with the retirement of the parent AMPS service; it has been functionally replaced by faster services such as 1xRTT, EV-DO, and UMTS/HSPA.Developed in the early 1990s, CDPD was large on the horizon as a future technology.".
- Cellular_digital_packet_data label "Cellular digital packet data".
- Cellular_digital_packet_data sameAs CDPD.
- Cellular_digital_packet_data sameAs داده_بستهای_سلولی_دیجیتال.
- Cellular_digital_packet_data sameAs CDPD.
- Cellular_digital_packet_data sameAs सेलुलर_डिजिटल_पैकेट_डेटा.
- Cellular_digital_packet_data sameAs CDPD.
- Cellular_digital_packet_data sameAs m.022kr.
- Cellular_digital_packet_data sameAs CDPD.
- Cellular_digital_packet_data sameAs Q2744436.
- Cellular_digital_packet_data sameAs Q2744436.
- Cellular_digital_packet_data sameAs 蜂窝数字分组数据.
- Cellular_digital_packet_data wasDerivedFrom Cellular_digital_packet_data?oldid=674361894.
- Cellular_digital_packet_data isPrimaryTopicOf Cellular_digital_packet_data.