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Raven CDMA User Guide for Verizon, version 2.23 101
AirLink modems optimally have an RSSI value of -60 to -95.
What is the Proper RF Coverage for my Raven?
Optimal RF coverage (RSSI) for your Raven is between -60 to -95 DBm. RF cov-
erage between -95 to -105 DBm will generally still register, however functionality
at this range can be impeded and registration can become temperamental. Any
devices with an RSSI below -105 DBm will likely fail to register on a regular basis.
When addressing RF coverage ensure the antenna choice is appropriate for the
device and frequencies required.
What Type of Antenna is Best for my Raven?
Antennas for cellular communication are generally omni-directional and either
dual-band or multi-band. They come in a variety of shapes and mounting confirgu
-
rations to suit several different types of needs.
While AirLink does sell a limited selection of antennas and antenna accessories,
these are by no means all that are available or usable with your Raven. There are
several suppliers of cellular accessories with a much wider selection of antennas
designed to cater to a broader variety of situations.
Dual-band
For cellular communication, the Raven requires a dual band antenna supporting
both 800 MHz and 1900 MHz (1.9 Ghz) bands.
Dipole
Dipole is a common antenna type connecting directly to the Raven and extending
out in a single straight wire.
Caution: Low RSSI will have a direct affect on the ability to acti-
vate (or provision) your Raven if it relies on over the air activa-
tion such as the the C3211and C32 modems.
Caution: Single band antennas, such as those formerly used with
a CDPD device, generally only support 800 MHz. Using a single
band antenna can greatly impeed your ability to activate or use
your Raven with Verizon.