Cisco AIR-AP1220B-A-K9 - Aironet 1200 - Wireless Access Point Hardware Installation Manual page 104

Glossary
M
Media Access Control address. A unique 48-bit number used in Ethernet data
MAC
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
Modulation
carrier signal.
The echoes created as a radio signal bounces off of physical objects.
Multipath
A single data message (packet) sent to multiple addresses.
Multicast Packet
O
This typically refers to a primarily circular antenna radiation pattern.
Omni-directional
A modulation technique used by IEEE 802.11a-compliant wireless LANs for
Orthogonal
Frequency Division transmission at 6, 9, 12, 18, 24, 36, 48, and 54 Mbps.
Multiplex (OFDM)
P
A basic message unit for communication across a network. A packet usually includes routing
Packet
information, data, and sometimes error detection information.
Q
Quadruple Phase
Shift Keying A modulation technique used by IEEE 802.11b-compliant wireless LANs for
transmission at 2 Mbps.
R
A linear measure of the distance that a transmitter can send a signal.
Range
A measurement of the weakest signal a receiver can receive and still correctly
Receiver Sensitivity
translate it into data.
Radio frequency. A generic term for radio-based technology.
RF
Cisco Aironet 1200 Series Access Point Hardware Installation Guide
GL-4
OL-2155-02