GR47/48 Design Guidelines
BA/SEM/MS 03:0015 Rev A
LZT 123 7596
5
1 Introduction
1.1 Overview
The GR47/GR48belong to a new generation of Sony Ericsson Mobile
Communications GSM modules. This document describes the main
characteristics and functionality of the GR 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 GR 47/48
Integrators Manual or GR47/GR48Technical 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 GR47/GR48are static sensitive devices (SSD’s). Normal SSD
procedures for electronic devices should be used when handling the
modules. 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
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