Aastra RFP 32 User Guide DECT Site Survey Kit (EMEA) - Page 41

critical, e.g.

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Basics Building materials Range loss as a % of the free radio hop Glass, timber, untreated approx. 10 Timber, treated approx. 25 Plasterboard approx. 27 - 41 Brick wall, 10 to 12 cm approx. 44 Brick wall, 24 cm approx. 60 Aerated concrete wall approx. 78 Armoured glass partition approx. 84 Steel-reinforced concrete ceiling approx. 75 - 87 Metal-coated glass approx. 100 Due to their typical furnishings/fixtures projects in the following environments must be regarded as critical, e.g.: • Garages/motor trade • Scrap merchants • Production plants • Galvanizing plants • Metal-working industry Reception conditions Optimising range is a fundamental challenge of radio technology. The reception of information in marginal zones is patchy at best. Practical measurements are carried out on the premises to determine the range. When instructing users, the following instructions can help to achieve optimum results: • You can usually improve the connection quality through minor changes in location, e.g. by turn- ing your head or your body. • Avoid making phone calls in unsuitable places, for example in lifts. Users should be made aware of these zones during instruction. 39

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39
Basics
Building materials
Range loss as a % of the free radio hop
Glass, timber, untreated
approx. 10
Timber, treated
approx. 25
Plasterboard
approx. 27 – 41
Brick wall, 10 to 12 cm
approx. 44
Brick wall, 24 cm
approx. 60
Aerated concrete wall
approx. 78
Armoured glass partition
approx. 84
Steel-reinforced concrete ceiling
approx. 75 – 87
Metal-coated glass
approx. 100
Due to their typical furnishings/fixtures projects in the following environments must be regarded as
critical, e.g.:
• Garages/motor trade
• Scrap merchants
• Production plants
• Galvanizing plants
• Metal-working industry
Reception conditions
Optimising range is a fundamental challenge of radio technology. The reception of information in
marginal zones is patchy at best. Practical measurements are carried out on the premises to deter-
mine the range.
When instructing users, the following instructions can help to achieve optimum results:
•
You can usually improve the connection quality through minor changes in location, e.g. by turn-
ing your head or your body.
•
Avoid making phone calls in unsuitable places, for example in lifts. Users should be made aware of
these zones during instruction.