3.10 Connection of 2.4 GHz Portable Stations
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- | Radio waves are weakened considerably when |
| resistant film | 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. |
|
|
|
