Maxon MX-7930, User Manual, Page: 65 / 82

Miscellaneous
65
Cellular phones in brief
cells to use the same frequencies with-
out risk of interference.
Your cellular phone is in constant con-
tact with the nearest base station.
As you move from cell to cell,
e.g. while driving in your car,
the base station you are
approaching takes over
when you are within
reach. This happens within
split seconds without your
noticing it. All you experi-
ence is a stable and clear
connection.
However, not all network opera-
tors provide the same coverage in
all areas. Hence, if you travel near the
limit of your network’s coverage, you
may experience difficulties in maintain-
ing the connection. The same may hap-
Your cellular phone is essentially a high-
ly sophisticated radio, basically no dif-
ferent from any other two-way radio
system. The ingenuity of the cellular
system lies in the splitting of the
broadcasting environment into a
multitude of relatively small
cells with low-power trans-
mitters.
This “cellular approach” to
radio communication allows
for extensive frequency
reuse so that millions of
people can use their mobile
phones simultaneously
although the number of frequen-
cies are limited. The broadcasting
cells are commonly illustrated as hexa-
gons, typically 10 square miles in area
with the base station in the center. This
arrangement allows for non-adjacent
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