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.
156 Installation Manual
2.8.3 Site Planning
