Sony Ericsson GR64 사용자 설명서

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1  Introduction 
1.1  Target Users 
The GR64 wireless modems are designed to be integrated into machine-to-machine 
or man-to-machine communications applications. 
They are intended to be used by manufacturers, system integrators, applications 
developers and developers of wireless communications equipment. 
1.2  Prerequisites 
It is assumed that the person integrating the wireless modem into an application has 
a basic understanding of the following: 
• 
GSM networking; 
• 
Wireless communication and antennas (aerials) 
• 
AT commands 
• 
ITU-T standard V.24/V.28 
• 
Micro controllers and programming 
• 
Electronic hardware design 
1.3  Manual Structure 
This manual is composed of three parts. 
Part 1- Overview 
This section provides a broad overview of the Gx64 family and includes a list of 
abbreviations used in the manual. 
Part 2 - Integrating the Wireless modem 
This section describes each of the signals available on the GR64 wireless modem, 
along with mechanical information. The section also provides you with design 
guidelines and what is needed to commercialize an application from a regulatory 
point of view.