Siemens SIMATIC RF600 Series System Manual page 53

Figure 4-4
When operating the RF600 system, you need to observe additional influencing factors such
as minimum spacing between antennas in the room.
Environmental conditions
NOTICE
Damage to the device
In line with the application, you must take into consideration the mechanical loads (shock
and vibration) as well as environmental demands such as temperature, moisture, UV
radiation.
The device could be damaged if these factors are not considered.
Specifying the transmit / radiated power
Depending on whether you want to use a third-party antenna and/or a third-party antenna
cable with a reader, you need to select the suitable components. When selecting third-party
components orient yourself on the values of comparable Siemens products.
With the RF650R, RF680R and RF685R readers, the parameters for the transmit/radiated
power, antenna gain and cable loss (user-defined) are set using the WBM. In the WBM you
can select the Siemens products being used from a drop-down list quickly and simply and
SIMATIC RF600
System Manual, 10/2016, J31069-D0171-U001-A19-7618
Overview diagram: Influencing factors
RF600 system planning
4.3 Antenna configurations
53