Glossary
R
range
receiver sensitivity
RF
roaming
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
A feature of some Access Points that allows users to move through a facility while maintaining an unbroken connection to the LAN.
A connector type unique to Cisco Aironet radios and antennas. Part 15.203 of 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
S
spread spectrum | A radio transmission technology that spreads the user information over a much |
| wider bandwidth than otherwise required in order to gain benefits such as |
| improved interference tolerance and unlicensed operation. |
SSID | Service Set Identifier (also referred to as Radio Network Name). A unique |
| identifier used to identify a radio network and which stations must use to be able |
| to communicate with each other or to an access point. The SSID can be any |
| alphanumeric entry up to a maximum of 32 characters. |
T
transmit power The power level of radio transmission.
U
UNII
Unlicensed National Information
Regulations for UNII devices operating in the 5.15 to 5.25 GHz frequency band.
Regulations for UNII devices operating in the 5.25 to 5.35 GHz frequency band.
Regulations for UNII devices operating in the 5.725 to 5.825 GHz frequency band.
unicast packet A single data message (packet) sent to a specific IP address.
Cisco Aironet 1200 Series Access Point Hardware Installation Guide
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