Siemens ARCADIS Varic Operator's Manual page 458

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The coexistence of wireless sources operated in the same environment may
affect the quality of data transfer.
The transmission speed is reduced if additional WLAN clients are operated simul-
taneously in the same environment.
For reasons of data security, it is recommended to encrypt the data in the WLAN
according to WPA or WPA2.
In case the wireless connected is interrupted, impaired or overloaded, it is rec-
ommended to keep an Ethernet cable on hand, provided there are connection
options nearby.
The position of the RF beam of the activated WLAN is shown in a warning label.
(1) Warning label: non-ionizing electromagnetic field
(2) Warning: Read Operator Manual
If WLAN is activated, this warning label must not be covered up, and no devices
sensitive to high frequencies should be placed on top of the unit. Otherwise,
damage to such devices or impairment to WLAN functionality could result.
(1)
(2)
Operator Manual
SPR2-310.620.30.02.02