Siera Wireless MP555, Руководство по установке программного обеспечения

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Introducing the MP 555 GPS modem
Rev 1.2 11
CDMA accounts and coverage
To
data connections.
Jan.05
Figure 1-1: The MP 555 GPS modem and the CDMA and GPS networks.
You must set up an account with a CDMA service provider for
each MP 555 GPS modem you install. After installing the
MP 555 GPS modem software, you must configure it to use an
account. (See “Account Configuration” on page 19.)
The ability of the MP 555 GPS modem to obtain CDMA IS-95
and CDMA2000 1X service in any area is determined by
several factors:
Network proximity and CDMA2000 1X availability
obtain CDMA service, you must be within the coverage area of
a CDMA network operating in one of the radio frequency
bands supported by the MP 555 GPS modem. There are areas
with CDMA IS-95 service in which CDMA2000 1X has not yet
been implemented. In these areas you may be able to make
Quick Net Connect (QNC; see page 12) connections, but you
will not be able to make CDMA2000 1X, high-speed, packet-
Roaming If you are within the coverage area of a CDMA
network operated by a service provider other than your own,
your ability to obtain service depends on whether a roaming
agreement exists between your service provider and the one