General telecom

General telecom

Terms relating to telecommunication or communication through technological means.

Industry: Telecommunications

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General telecom

Dual-homed host

Telecommunications; General telecom

A host computer that participates in two separate networks. Note: A dual-homed host can provide security functions as a firewall. Synonym dual-homed gateway.

Security administration

Telecommunications; General telecom

A human authority which establishes a security policy and identifies the entities to which the policy applies.

Isotropic antenna

Telecommunications; General telecom

A hypothetical antenna that radiates or receives equally in all directions. Note: Isotropic antennas do not exist physically but represent convenient reference antennas for expressing directional ...

Reference circuit

Telecommunications; General telecom

A hypothetical circuit of specified equivalent length and configuration, and having a defined transmission characteristic or characteristics, used primarily as a reference for measuring the ...

Image antenna

Telecommunications; General telecom

A hypothetical mirror-image, i.e., virtual-image, of an antenna, i.e., antenna element, considered to extend as far below ground, i.e., the ground plane, as the actual antenna is above the ground ...

A hypothetical talker, within a log-normal distribution of talkers, whose volume lies at the medium power of all talkers determining the volume distribution at the point of interest. Note: When the ...