Appendix
A.2 Designing and calculating wireless systems (for example RCoax)
SCALANCE W786-xPRO
Operating Instructions, Release 08/2007, C79000-G8976-C221-02
235
Using power specifications, it is simple to calculate gain and attenuation. To calculate an
entire system, the individual values for gain and attenuation must simply be added.
Transmit power in dBm
The information in the following tables applies to the following SIMATIC NET products:
●
Access Point SCALANCE W786-1PRO
●
Access Point SCALANCE W786-2PRO
●
Access Point SCALANCE W786-3PRO
Table A-1
Transmit power in IEEE 802.11b mode (2.4 GHz)
Data rate [Mbps]
P
0
[dBm]
1 20
2 20
5,5 20
11 20
Table A-2
Transmit power in IEEE 802.11g mode (2.4 GHz)
Data rate [Mbps]
P
0
[dBm]
6 20
9 20
12 20
18 20
24 20
36 20
48 20
54 19
Table A-3
Transmit power in IEEE 802.11a/h mode (5 GHz)
Data rate [Mbps]
P
0
[dBm]
6 20
9 20
12 20
18 20
24 20
36 20
48 20
54 19