User's Guide

26
Backup battery
A new backup battery should last for approximately ve (5) years, but the life of any
backup battery can be adversely affected by environmental conditions like moisture and
heat. To get the longest service from your backup battery, do not place the Wireless
Home Internet device in direct sunlight or in wet or extremely cold environments.
To test the condition of your backup battery, make sure the Wireless Home Internet
device is powered on. Unplug the Wireless Home Internet device from the wall power
outlet. If the Battery light turns red, then the backup battery may need to be
replaced. If the Wireless Home Internet device does not remain on once unplugged from
the wall power outlet, then the backup battery needs to be replaced.
It is recommended that you test your backup battery charge at least once per year and
replace it if necessary.
To order a replacement backup battery and for cost and warranty information, contact
your Cellular Network Provider.
Device compatibility
The Wireless Home Internet device is not compatible with wireless messaging services,
home security systems, fax service, medical alert systems, medical monitoring systems,
credit card machines, IP/PBX Phone systems, or dial-up Internet service. May not be
compatible with your DVR/Satellite systems; please check with your provider. DSL
customers should contact their provider before transferring a phone number to ensure
uninterrupted DSL Internet service.
The Wireless Home Internet device cannot be used to make 500, 700, 900, 976, 0+
collect, operator-assisted, or dial-around calls (e.g., 1010-XXXX).