68
ASUS WLAN Card
Chapter 5
Chapter 5 - Glossary
Glossary
Packet
A basic message unit for communication across a network. A packet usually
includes routing information, data, and sometimes error detection information.
PCMCIA (Personal Computer Memory Card International
Association)
The Personal Computer Memory Card International Association (PCMCIA),
develops standards for PC cards, formerly known as PCMCIA cards. These
cards are available in three types, and are about the same length and width as
credit cards. However, the different width of the cards ranges in thickness from
3.3 mm (Type I) to 5.0 mm (Type II) to 10.5 mm (Type III). These cards can be
used for various functions, including memory storage, land line modems and
wireless modems.
PPP (Point-to-Point Protocol)
PPP is a protocol for communication between computers using a serial interface,
typically a personal computer connected by phone line to a server.
PPPoE (Point-to-Point Protocol over Ethernet)
Point-to-Point Protocol is a method of secure data transmission. PPP using
Ethernet to connect to an ISP.
Radio Frequency (RF) Terms: GHz, MHz, Hz
The international unit for measuring frequency is Hertz (Hz), equivalent to the
older unit of cycles per second. One megahertz (MHz) is one million Hertz.
One gigahertz (GHz) is one billion Hertz. The standard US electrical power
frequency is 60 Hz, the AM broadcast radio frequency band is 0.55-1.6 MHz,
the FM broadcast radio frequency band is 88-108 MHz, and wireless 802.11
LANs operate at 2.4 GHz.
SSID (Service Set ID)
SSID is a group name shared by every member of a wireless network. Only
client PCs with the same SSID are allowed to establish a connection.
Station
Any device containing IEEE 802.11 wireless medium access conformity.
Subnet Mask
A subnet mask is a set of four numbers configured like an IP address. It is used
to create IP address numbers used only within a particular network.
