Panasonic KX-TDA15, Руководство по установке

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2.7 Connection of DECT Portable Stations
100 Installation Manual
Object Material Transmission Tendency
Wall Concrete The thicker they are, the less radio waves penetrate them.
Ferroconcrete Radio waves can penetrate them, but the more iron there is,
the more radio waves are reflected.
Window Glass Radio waves usually penetrate them.
Glass with wire net Radio waves can penetrate them, but tend to be reflected.
Glass covered with
heat-resistant film Radio waves are weakened considerably when they penetrate
windows.
Floor Ferroconcrete Radio waves can penetrate them, but the more iron there is,
the more radio waves are reflected.
Partition Steel Radio waves are reflected and rarely penetrate them.
Plywood, Glass Radio waves usually penetrate them.
Column Ferroconcrete Radio waves can penetrate them, but the more iron there is,
the more radio waves tend to be reflected or diffracted.
Metal Radio waves tend to be reflected or diffracted.
Cabinet Steel Radio waves are usually reflected or diffracted, and rarely
penetrate them.
Wood Radio waves can penetrate them, but they are weakened.