User guide

AirCard 781S Mobile Hotspot User Guide
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Set up and connect to the Internet
Install the battery
1. Insert the battery as shown in the illustration. Ensure that the gold contacts on the
battery are lined up with the gold contacts on the device.
2. Replace the back cover.
Note: The battery comes partially-charged and ready to go. When the battery needs recharging,
follow the instructions in Recharge the battery on page 34.
Connect to the Internet
To connect to the Internet:
1. Turn on the mobile hotspot.
Press the power button for about two seconds and release it when the screen turns
on. Once powered up, the mobile hotspot automatically searches for and connects
to your network provider’s mobile broadband network.
Note: Your computer
connects wirelessly to the
mobile hotspot to access
the Internet.

The USB cable is used
mainly for recharging the
battery. (You can also
connect to the Internet
with the mobile hotspot
tethered to the laptop
with the USB cable.)
2. Connect your computer or other device to your Wi-Fi network.
a. On your computer, view the
list of available Wi-Fi
networks.
b. Select the Wi-Fi network
name displayed on the
mobile hotspot LCD screen,
and connect to it.
c. When prompted, enter your
Wi-Fi network password, as
it appears on the mobile
hotspot LCD screen.
3. Launch your browser to surf the
Internet.
Gold contacts
Battery
Wi-Fi name
Password (key)