Cisco Cisco Aironet 702i Access Point

The number used to identify the IP subnetwork, indicating whether the IP 
address can be recognized on the LAN or if it must be reached through a 
gateway. This number is expressed in a form similar to an IP address; for 
example: 255.255.255.0.

An antenna that radiates its signal in a spherical pattern.

Media Access Control address. A unique 48-bit number used in Ethernet data 
packets to identify an Ethernet device, such as an access point or your client 
adapter.

Any of several techniques for combining user information with a transmitter’s 
carrier signal.

The echoes created as a radio signal bounces off of physical objects.

A single data message (packet) sent to multiple addresses.

This typically refers to a primarily circular antenna radiation pattern.

A modulation technique used by IEEE 802.11a-compliant wireless LANs for 
transmission at 6, 9, 12, 18, 24, 36, 48, and 54 Mbps.

A basic message unit for communication across a network. A packet usually 
includes routing information, data, and sometimes error detection information.

A modulation technique used by IEEE 802.11b-compliant wireless LANs for 
transmission at 2 Mbps.

A linear measure of the distance that a transmitter can send a signal.

A measurement of the weakest signal a receiver can receive and still correctly 
translate it into data.

Radio frequency. A generic term for radio-based technology.