cdpd การใช้

• It was known as CDPD _ for cellular digital packet data _ not CPDP
• As demand for wireless services grows, new technology such as CDPD may become viable.
• CDPD is a much cheaper way to move wireless data than reserving a voice channel.
• Earlier AirCard versions had nationwide access, but they worked on CDPD and analog wireless networks.
• Developed in the early 1990s, CDPD was large on the horizon as a future technology.
• CDPD had very limited consumer products.
• In 2004, major carriers in the United States announced plans to shut down CDPD service.
• CDPD transmission speed is equivalent to a wired connection using a 14.4-kilobyte modem.
• The ideal CDPD app would be for a roving kiosk that needs to verify credit card transactions.
• Also, CDPD service is available to only about 60 percent of the nation's population.
• In July 2005, the AT & T Wireless and Cingular Wireless CDPD networks were shut down.
• Unwired Planet's software is already used on CDPD-capable cellular phones made by Samsumg and Mitsubishi.
• A CDPD device can be left on all the time to receive e-mail as it comes in.
• In February, a CDPD ( cellular data ) connection for the Palm Pilot is expected from JP Systems.
• Compared with the industry-stadard CDPD approach, the Ardis and RAM network are both based on proprietary technology.
• And because it relies on cellular connections, CDPD devices like the Novatel modem may not work inside all buildings.
• Despite its limited success as a consumer offering, CDPD was adopted in a number of enterprise and government networks.
• Called Cellular Digital Packet Data, or CDPD, the service lags far behind Ardis and RAM in geographic coverage areas.
• The cellular carriers hope to have CDPD operating in at least a dozen other cities by the year's end.
• McCaw's CDPD, like competing technologies such as Motorola's iDEN technology, has been plagued with bugs.