User's Guide

Glossary: Dell TrueMobile 1400 WLAN Card User's Guide
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Glossary: Dell™ TrueMobile™ 1400 WLAN Card User's Guide
access point A stand-alone wireless hub that allows any computer that has a wireless network adapter
to communicate with another computer and to connect to the Internet.
available network One of the networks listed in the Available networks list on the Wireless Networks tab of
the Wireless Configuration box that appears when the TrueMobile 1400 wireless utility is
open. Any wireless network that is broadcasting and is within receiving range of the Dell
TrueMobile 1400 internal WLAN card appears on the list.
BER Bit error rate. The ratio of errors to the total number of bits being sent in a data
transmission from one location to another.
client computer The computer that gets its Internet connection by sharing either the host computer's
connection or the access point's connection.
dBm A unit of expression of power level in decibels with reference to a power of 1 milliwatt.
DBPSK differential-binary-phase-shift keying.
DQPSK differential-quadrature-phase-shift keying. A compression technique that transmits only the
differences between the values of the phase of the sine wave rather than the full absolute
value.
DSSS direct sequence spread spectrum. A type of radio technology.
Dynamic Host Configuration Protocol
(DHCP)
A mechanism for allocating IP addresses dynamically so that addresses can be reused
when hosts no longer need them.
file and printer sharing A capability that allows a number of people to view, modify, and print the same file(s) from
different computers.
GHz gigahertz. A unit of frequency equal to 1 000 000 000 cycles per second.
host computer The computer that is directly connected to the Internet via a modem or network adapter.
IEEE Institute of Electrical and Electronics Engineering
Internet Protocol (IP) address The address of a computer that is attached to a network. Part of the address designates
which network the computer is on, and the other part represents the host identification.
LAN local area network
m meter
MHz megahertz. A unit of frequency equal to 1 000 000 cycles per second.
Mbps megabits per second. Transmission speed of 1 000 000 bits per second.
ns nanosecond. 1 billionth (1/1 000 000 000) of a second.
peer-to-peer network A communication configuration in which every computer has the same capabilities and any
computer can initiate a communication session.
preferred network One of the networks that you have configured. Such networks appear in the Preferred
networks list on the Wireless Networks tab of the Wireless Configuration box when the
TrueMobile 1400 wireless utility is open.
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