Cellular Digital Packet Data


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Cellular Digital Packet Data

(communications, protocol)
(CDPD) A wireless standard providing two-way, 19.2 kbps packet data transmission over exisiting cellular telephone channels.

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Cellular Digital Packet Data. CDPD, on the other hand, is a standards based, connectionless packet data service that is an overlay of the cellular network.
Cellular Digital Packet Data (CDPD) technology utilizes the existing cellular infrastructure to provide data communications.
McCaw Cellular, which is expected to merge with AT&T, has introduced the Cellular Digital Packet Data transmission scheme, which differentiates cellular calls on its network from voice calls, saving users time and money.
RAM Mobile Data and Ardis are currently the primary carriers of airborne data, with the Cellular Digital Packet Data (CDPD) consortium revving up in the wings.
The Merlin CDPD Special Edition PC Card provides wireless Internet access for connecting Windows CE or PPC handheld devices directly to the Verizon Wireless CDPD (Cellular Digital Packet Data) network.
The system components communicate with each other using CDPD (cellular digital packet data) wireless Internet modems.
There are currently three main types of cellular alarm systems available through professional security companies, each using the cellular network in different ways: circuit-switched, control channel, and cellular digital packet data (CDPD) systems.
SIERRA WIRELESS has developed its AirCard 300 as a Type II PC card cellular digital packet data (CDPD) modem for handheld PCs running Windows CE 2.0.
The last two chapters cover cellular digital packet data and other packet switched data systems.
The acronym "pACT" stands for personal Air Communications Technology and is actually based on a cellular standard for transmitting short bursts of data, called Cellular Digital Packet Data. That gives pACT a better edge in the delivery of data such as e-mail, said Ted Pielemeier, of NEC America's Wireless Communications Division.
Many new AVL systems, including the one in Colorado Springs, now use cellular digital packet data (CDPD) technology to communicate between dispatch and fleet.
Although emerging technologies like subscriber-based CDPD (cellular digital packet data) services are helping many departments access information quickly and cost effectively, large areas of the country don't have CDPD coverage.