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Glossary: Dell
TM
Mobile Broadband Card Utility User's Guide
1xRTT
A high speed broadband technology based on the CDMA platform. 1xRTT has the capability of providing broadband-like speeds of
up to 144 Kbps. 1xRTT is also referred to as CDMA2000.
1xEVDO
1xEVDO is a "3G" standard. EVDO stands for "EVolution, Data-Optimized". 1xEVDO is based on a technology initially known as
"HDR" (High Data Rate) or "HRPD" (High Rate Packet Data), developed by Qualcomm. The international standard is known as IS-
856. 1xEVDO has the capability of providing broadband-like speeds of average speeds of 300-600 kbps.
bps
Bits per second. Rate of data flow.
Broadband
High-capacity high-speed, transmission channel with a wider bandwidth than conventional copper telephone lines. Broadband
channels can carry video, voice, and data simultaneously.
CDMA
Code Division Multiple Access. A digital cellular technology using spread-spectrum techniques that is the common platform for 3G
technologies.
CHAP
Challenge Handshake Authentication Protocol. A method of user authentication that uses random values.
Dormancy
A network state that occurs when no data has been transmitted or received after a given amount of time. A network connection
may disconnect during a dormant state.
Firewall
A hardware or software boundary that protects a network or single notebook from unwanted outside traffic.
GPS