Panasonic KX-TDA30 Installation Manual page 327

Object Material
Wall Concrete
Ferroconcrete
Window Glass
Glass with wire nets Radio waves can penetrate them, but tend to be
Glass covered with
heat-resistant film
Floor Ferroconcrete
Partition Steel
Plywood, Glass
Column Ferroconcrete
Metal
Cabinet Steel
Wood
6.7 Connection of DECT Portable Stations — KX-TDA30
Transmission Tendency
The thicker they are, the less radio waves
penetrate them.
Radio waves can penetrate them, but the more iron
there is, the more radio waves are reflected.
Radio waves usually penetrate them.
reflected.
Radio waves are weakened considerably when
they penetrate windows.
Radio waves can penetrate them, but the more iron
there is, the more radio waves are reflected.
Radio waves are reflected and rarely penetrate
them.
Radio waves usually penetrate them.
Radio waves can penetrate them, but the more iron
there is, the more radio waves tend to be reflected
or diffracted.
Radio waves tend to be reflected or diffracted.
Radio waves are usually reflected or diffracted,
and rarely penetrate them.
Radio waves can penetrate them, but they are
weakened.
Installation Manual 327