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CHAPTER 2
This section describes the d15 integrated wireless modem (Figure2), including accessories, physical and electrical
characteristics, features and functional capabilities, and the data-exchange network over which they communicate.
This section also provides specific performance specifications.
For model numbers and languages supported see Annex A
2.1
Introduction
The d15 modem is a Phase II + GSM class 4 embedded module package with voice, data, fax, and short
message service (SMS) support. It is designed to support a range of subsidiary services associated with
navigation, emergency services, road tolls, security systems such as car alarm, fire alarm, etc. as well as
integrated standard voice and data communication. Applications where data modules can provide these
benefits include automotive Telematics, mobile computing, asset management, remote utility meter reading,
street light control, home security, vending and copy machine management, fleet management, ATM
security, POS connectivity, household appliance monitoring and control, display systems, load management
and many more.
configurations. GPS capability is also provided in an additional configuration.
The modem relies on system software for basic operational instructions and on configuration parameter
values to meet modem and network interface requirements.
The d15 is designed for use in a system environment comprising a GSM mobile radio network with one or
more radio operators per country. A corresponding infrastructure of a configuration level suitable for the
use of terminal devices with two watts transmitting power is a basic requirement.
2.2
D10 compatibility with d15
The d15 has new capabilities over the d10 e.g. GPS option. The d10 utilized a modem that was controlled
by a separate microprocessor while the d15 modem is integral to GSM microprocessor. Because of these
basic difference in the two products there are some known differences between the d10 and d15 in hardware
and software that the integrator needs to be aware to complete the interface to the host device. A summary
of these differences is listed in table 1 below to assist in the successful upgrade from d10 to d15 product.
Note this list in not the full list of AT commands for the d15 product.
d15 Modem Integration and Application Developers Guide version draft 0.53
Model Description
Figure 2 - d15 data module
To support this flexibility, the same functionality is offered in several different
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