User's Guide

AirCard 313U USB Modem User Guide
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• Account provisions—Your account may restrict your usage to certain
networks or limit the amount of time you can use the network.
• Frequency band—You cannot connect to networks operating in bands not
supported by your modem, regardless of roaming agreements or account
provisions.
Most service providers have coverage maps on their web sites.
AirCard USB Modem features
The AirCard 313U USB Modem has a USB connector, slots for a SIM card, and
(on some models) a microSD external storage card. LEDs on the front of the
AirCard 313U USB Modem provide status information.
The placement of card slots, connectors, and LEDs varies depending on your
modem model.
Power LED
Data LED
The microSD card and SIM card slots are
under the back cover. See page 11 for details.