User Manual
 GM862-QUAD / PY Hardware User Guide 
  1vv0300748 Rev. 5 - 20/09/07  
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved    page 6 of 68 
1 Overview 
The aim of this document is the description of some hardware solutions useful for developing a product with the 
Telit GM862-QUAD / PY module. 
In this document all the basic functions of a mobile phone will be taken into account; for each one of them a 
proper hardware solution will be suggested and eventually the wrong solutions and common errors to be 
avoided will be evidenced. Obviously this document cannot embrace the whole hardware solutions and products 
that may be designed. The wrong solutions to be avoided shall be considered as mandatory, while the 
suggested hardware configurations shall not be considered mandatory, instead the information given shall be 
used as a guide and a starting point for properly developing your product with the Telit GM862-QUAD / PY module. 
For further hardware details that may not be explained in this document refer to the Telit GM862-QUAD / PY 
Product Description document where all the hardware information is reported. 
NOTICE 
(EN) The integration of the GSM/GPRS GM862-QUAD / PY cellular module within user application shall 
be done according to the design rules described in this manual.  
(IT) L’integrazione del modulo cellulare GSM/GPRS GM862-QUAD / PY all’interno dell’applicazione 
dell’utente dovrà rispettare le indicazioni progettuali descritte in questo manuale. 
(DE) Die integration des GM862-QUAD / PY GSM/GPRS Mobilfunk-Moduls in ein Gerät muß gemäß der in 
diesem Dokument beschriebenen Kunstruktionsregeln erfolgen 
(SL) Integracija GSM/GPRS GM862-QUAD / PY modula v uporabniški aplikaciji bo morala upoštevati 
projektna navodila, opisana v tem piročniku. 
(SP) La utilización del modulo GSM/GPRS GM862-QUAD / PY debe ser conforme a los usos para los 
cuales ha sido deseñado descritos en este manual del usuario. 
(FR) L’intégration du module cellulaire GSM/GPRS GM862-QUAD / PY dans l’application de l’utilisateur 
sera faite selon les règles de conception décrites dans ce manuel. 
The information presented in this document is believed to be accurate and reliable. However, no responsibility is 
assumed by Telit Communications S.p.A. for its use, nor any infringement of patents or other rights of third 
parties which may result from its use. No license is granted by implication or otherwise under any patent rights of 
Telit Communications S.p.A. other than for circuitry embodied in Telit products. This document is subject to 
change without notice. 
GM862-QUAD / PY










