User's Manual

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21
Every time the i-PORT is started the RestoreReg file will be loaded.
This program reads applicable keys from the i-PORT registry and
compares the existing default key values with the values stored in the
ipsettings” file. Any changes made in the “ipsettings” file will be used
by the system. These changes are stored in the i-PORT RAM and are
updated from the ipsettings” file anytime the i-PORT is rebooted. If a
new ATA Flash Storage Card is used in the i-PORT theipsettings” file
must be updated.
12 i-PORT Antennas
Antennas for use with the i-PORT are required to have a gain equal to
or less than 5dBic. It is recommended that the antenna polarization
should be elliptical or circular, although in applications where the
orientation of the tag is in a consistent and known position linearly
polarized antennas can also be used.
The i-A9185 antenna typically supplied with the i-PORT is an
elliptically polarized patch type antenna, providing a superior radiation
pattern for interior or exterior use.