Handbook

ClearFill Star CDMA
1100187 Rev. 1.0
Page 43 of 152
3.4.1.2 In-Building Path Loss
For in-building applications, the PC has to be chosen correctly as already mentioned above.
In addition to free space propagation, additional wall losses have to be introduced.
Guidelines for different kind of wall types are presented in Table 5.
Attenuation /
frequency
--------------
Costructional
element
Attenuati
on @900
MHz
Attenuation
@1850
MHz
Attenuation
@2400
MHz
Attenuation
@5000
MHz
Basement or
foundation
wall
13 dB 14 dB 15 dB 15 dB
Brick,
concrete and
concrete block
13 dB 14 dB 15 dB 15 dB
Cubicle wall 1 dB 1.5 dB 2 dB 2 dB
Drywall or
sheetrorck
2 dB 2.5 dB 3 dB 3 dB
Elevator or
metallic
obstacle
5 dB 8 dB 10 dB 10 dB
Glass door or
window, no
tint
2 dB 2.5 dB 3 dB 3 dB
Metallic rack 6 dB 6 dB 6 dB 6 dB
Wooden door 2 dB 2.5 dB 3 dB 3 dB
Table 5 RF losses due to physical obstacles (Reference: Wireless Valley)