Cisco Aironet 1240AG Series Hardware Installation Manual page 121

O
This typically refers to a primarily circular antenna radiation pattern.
omni-directional
Orthogonal frequency division multiplex is a
OFDM
802.11a-compliant wireless LANs for transmission at 6, 9, 12, 18, 24, 36, 48,
and 54 Mbps.
P
A basic message unit for communication across a network. A packet usually includes routing
packet
information, data, and sometimes error detection information.
Q
QPSK
Quadruple phase shift keying is a
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
A feature of some Access Points that allows users to move through a facility
roaming
while maintaining an unbroken connection to the LAN.
A connector type unique to Cisco Aironet radios and antennas. Part 15.203 of
RP-TNC
the FCC rules covering spread spectrum devices limits the types of antennas that
may be used with transmission equipment. In compliance with this rule, Cisco
Aironet, like all other wireless LAN providers, equips its radios and antennas
with a unique connector to prevent attachment of non-approved antennas to
radios.
OL-8371-05
modulation technique used by IEEE
modulation technique used by IEEE
Cisco Aironet 1240AG Series Access Point Hardware Installation Guide
Glossary
GL-5