Download TinyOne Pro 868MHz Module User Guide

TinyOne Pro 868MHz User Guide
1vv0300816 Rev.0 – 17/04/2009
X.2. Examples of propagation attenuation
433 MHz
Loss
Attenuation
Factor
Open office
Window
Thin wall (plaster)
Medium wall (wood)
Thick wall (concrete)
Armoured wall (reinforced concrete)
Floor or ceiling
Armoured floor or ceiling
Rain and/or Fog
0%
<5%
25 %
40 %
50 %
70 %
50 %
70 %
90 %
0 dB
< 1 dB
3 dB
4 – 6 dB
5 – 8 dB
10 – 12 dB
5 – 8 dB
10 – 12 dB
20 – 25 dB
868 MHz
Loss
Attenuation
0%
15 %
35 %
50 %
60 %
80 %
60 %
80 %
95 %
0 dB
1 – 2 dB
3 – 4 dB
5 – 8 dB
9 – 11 dB
12 – 15 dB
9 – 11 dB
12 – 15 dB
25 – 30 dB
Loss
0%
30 %
50 %
70 %
85 %
90 %
85 %
90 %
?? *
2.4 GHz
Attenuation
0 dB
3 dB
5 – 8 dB
10 – 12 dB
15 – 20 dB
20 – 25 dB
15 – 20 dB
20 – 25 dB
?? *
*=
Attenuations increase along with the frequency. In some cases, it
is therefore difficult to determine loss and attenuation value.
Note = The table above is only indicative. The real values will depend on
the installation environment itself.
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