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102 Raven CDMA User Guide for Verizon, version 2.23
The short dipole antenna (also known as a “rubber duck”) is a good desktop, porta-
ble antenna for use in areas with good signal strength and low electrical interfer-
ence.
Mounts
Antennas can be mounted in a variety of ways (magnet, permanent, suction to a
window, sticky tape, etc) which can allow you to move the antenna away from the
Raven with a coax cable between the modem and the antenna allowing the antenna
to be placed in a more suitable location for proper cellular reception: outside of a
metal cabinet, the trunk lid of a car, a window, etc. A mounted antenna can be
placed in locations where the simple, short dipole antenna connected directly to the
Raven may not perform at all.
What do I need to power my Raven ?
Your Raven is designed to work either on DC current (generally for use in vehicles)
or with an AC adapter (standard wall outlet in the US, Canada, and most other
countries). The optimal input voltage is 9VDC to 28VDC with an input current
from 90mA to 350 mA.
If the modem is provided an inadequate power supply the following symptoms
might be experienced:
• Modem will constantly power cycle while attempting to register
• Modem will register but will power cycle when data is transmitted/received
If these symptoms occur, verify the power supply meets the above mentioned crite-
ria. If an AC adapter is being used; verify it is intended for the AirLink product in
question.
Can I use a portable battery to power my Raven ?
It is possible to use a portable battery for your AirLink modem, however, you most
likely need to make the connector from the battery to the modem yourself. The bat
-
ter also needs to have enough power to be able to handle the power consumption of
Caution: If you previously used AirLink CPDP modems, you
may have older power supplies that provide inadequate power
and will cause the above mentioned symptoms.