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It may not be possible to properly receive radio waves at locations susceptible to
generation of radio wave noise or under environmental conditions that cause difficulty in
receiving radio waves.
◆ Locations subject to extremely
high or low temperatures
◆ Near high-tension wires
(power lines), railroad
overhead wires or airports
(communication facilities)
◆ Near a cellular
telephone in use
◆ In a car, train or airplane
◆ Near household electric appliances
or OA equipment such as TV sets,
refrigerators, personal computers,
fax machines, etc.
◆ Inside a reinforced concrete
building, between tall buildings
or in valleys between
mountains or underground
4.
Locations Where Reception May Be Difficult