User Guide

GM47/48 Design Guidelines
BA/SEM/MSC 02:0006 Rev PA1 5
1 Introduction
1.1 Overview
The GM47/48 belong to a new generation of Sony Ericsson Mobile
Communications GSM modules. This document describes the main
characteristics and functionality of the GM 47/48, two dual band
products for 900/ 1800 MHz and 850/1900 MHz GSM bands
respectively.
This document should be used in conjunction with either the GM 47/48
Integrators Manual or GM47/48 Technical Description and is intended
to aid the system integrator both designing the module into their
application and gaining the correct approvals.
1.2 Precautions
The GM47/48 should be handled like any mobile station. In the
Integrators’ Manual you will find more information about safety and
product care. Never exceed these limits to ensure the module is not
damaged.
1.3 Abbreviations
Abbreviation Explanation
BT Bluetooth
CBS Cell Broadcast Service
CBM Cell Broadcast Messaging
CSD Circuit Switch Data
DCE Data Circuit Terminating Equipment
DTE Data Terminal Equipment
DTMF Dual Tone Multi Frequency
EFR Enhanced Full Rate codec
EMC Electro-Magnetic Compatibility
ETSI European Telecommunications Standards Institute
FR Full Rate codec
GPRS General Packet Radio Service
GPS Global Positioning System
GSM Global System for Mobile Comunication
HR Half Rate codec
HSCSD High Speed Circuit Switched Data
ITU-T International Telecommunication Union – Telecommunications
Standardisation Sector
ME Mobile Equipment