Search Keyword By: C
Loosely, the group of microwave frequencies from 4 GHz to 6 GHz used in satellite communications. 2. The band of satellite downlink frequencies between 3.7 and 4.2 GHz. Note 1: For federal procurement purposes, the radio frequency band(s) must be specified using the upper and lower limits of the band, per 47 CFR 300. Note 2: Letter designators of radio frequency bands are imprecise, and in the international community are deprecated and obsolete.
CA: Conditional Access
An assembly of one or more insulated conductors, or optical fibers, or a combination of both, within an enveloping jacket. Note 1: A cable is constructed so that the conductors or fibers may be used singly or in groups. Note 2: Certain types of communications cables, especially long submarine cables but also terrestrial cables, whether the communications media are metallic or optical fiber, may contain metallic conductors that supply power to repeaters (amplifiers). 2. A message sent by cable, or by any means of telegraphy (including wireless means).