:- CDPD (Cellular Digital Packet Data) -:

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What is CDPD (Cellular Digital Packet Data) ?

Fixed/Mobile..........Mobile
Circuit/Packet........Packet (A circuit switched variant, CS-CDPD, does exist.)
Max Bandwidth.....19.2Kb
Range...................Coverage area of host network
Frequency.............Frequency of host network
Host Network.......Cellular
Definer CTIA.........(Cellular Telecommunications and Internet Association)


CDPD (Cellular Digital Packet Data) is a specification for supporting wireless access to the Internet and other public packet-switched networks over cellular telephone networks. CDPD supports TCP/IP and Connectionless Network Protocol (CLNP). CDPD utilizes the RC4 stream cipher with 40 bit keys for encryption.

CDPD is defined in the IS-732 standard.
CDPD Modems

CDPD modems are manufactured by companies such as Sierra Wireless, Novatel, and AirCard.
CDPD ISP's

Many wireless ISP's support CDPD modems, including Airlink, Alltel, AT&T Wireless Services, Earthlink Wireless, Globicom Wireless, Telus Mobility, and Verizon Wireless.