AirCard 800 Series Installation Guide
18
2130623
Frequency band selection
Watcher
has
two
options
that
affect
your
ability
to
obtain
GPRS,
EDGE,
UMTS,
or
HSDPA
service
in
any
given
area.
You
can
select:
•
The
frequency
band
you
want
to
use
•
The
network
you
want
to
use,
if
you
are
within
the
coverage
area
of
more
than
one
network
Every
GSM
network
operates
on
one
set
of
frequency
bands.
The
AirCard
modem
is
designed
to
change
frequency
bands
automatically
as
required
to
obtain
network
service.
You
can
also
change
frequency
bands
manually
from
the
Network
tab
of
the
Options
window
(
Tools > Options... > Network
).
Note: Unless your service provider specifies otherwise, it is recom-
mended that you use the
Auto
setting.
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