Panasonic KX-TDA50 Installation Manual page 91

Object Material
Wall Concrete
Ferroconcrete
Window Glass
Glass with wire nets Radio waves can penetrate them, but tend to be reflected.
Glass covered with
heat-resistant film
Floor Ferroconcrete
Partition Steel
Plywood, Glass
Column Ferroconcrete
Metal
Cabinet Steel
Wood
2.7 Connection of 2.4 GHz Portable Stations
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.
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 91