Published: 18.07.2019
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3.1.3 Wall penetration angle
The wireless devices should be placed so that the radio signal goes through a wall as directly as
possible. The attenuation is higher the longer the signal travels inside the wall. Avoid installing the
devices in wall recesses.
Wireless device
Wireless device
Wireless device
Wireless device
3.2 Planning the wireless device positions
The device locations should be planned carefully by observing possible radio shadow places and other
restrictive factors. The radio coverage in commercial buildings is usually restricted by fire safety walls
that cause radio shadows. However, inside the fire protected sections, lightweight or glass partition
walls are commonly used.
1.
Take the building floor plan.
2.
Locate and mark all relevant radio shadows to the plan.
• Fire protection walls
• Lavatories
• Staircases
• Elevator shafts
• Big metallic furniture (e.g. cabinets)
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