July 2002
Intermediate to advanced
344 pages
8h 37m
English
Content preview from Newnes Radio and RF Engineering Pocket Book, 3rd Edition
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11 Microwave communication
11.1 Microwave usage
Microwaves are loosely considered to be those at frequencies between
1 GHz (30 cm) and 100 GHz (0.3 cm). Principal ground communica-
tions usage is for point-to-point links carrying information and control
signals on systems such as multiplexed communication – including
data networks, telemetry and mobile radio. The propagation of the
higher frequencies, 30–100 GHz, is being studied for possible future
use in micro-cellular radio-telephone systems. These higher frequen-
cies are also used for satellite communications and radar applications.
Microwave frequencies up to 3 GHz have now been reserved for
mobile ...
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