User's Manual

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Cellular Settings
SIM Card
Indicate which SIM card this cellular WAN will use. Only applies to cellular WAN with
redundant SIM cards.
Preferred SIM
Card
If both cards were enabled on the above field, then you can designate the priority of the SIM
card slots here.
LTE/3G
This drop-down menu allows restricting cellular to particular band. Click the button to
enable the selection of specific bands.
Optimal Network
Discovery
Cellular WAsN by default will only handover from 3G to LTE network when there is no active
data traffic, enable this option will make it run the handover procedures after fallback to 3G for
a defined effective period, even this may interrupt the connectivity for a short while.