January 2001/ version 1.4
WMOi3 Integrated Modem
confidential ©
5/61
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement. Ce document est la propriété exlcusive de WAVECOM. Il ne peut
être communiqué ou divulgué à des tiers sans son autorisation préalable.
4.1.7 Flashing LED...................................................................................... 30
4.1.8 General Purpose Input/Output............................................................. 31
4.1.9 Analog to Digital Converter ................................................................. 31
4.1.10 Audio Interface.............................................................................. 33
4.1.11 SIM interface................................................................................. 37
4.1.12 SPI bus ......................................................................................... 39
4.1.13 Keypad interface............................................................................ 39
4.2 RF Interface ....................................................................................... 41
4.2.1 RF connector...................................................................................... 41
4.2.2 RF performances ................................................................................ 41
4.3 SIM interface ..................................................................................... 41
5 Connector Supplier and Peripheral devices.....................................42
5.1 Where to find the SMD connectors ..................................................... 42
5.1.1 GSM Antenna .................................................................................... 43
5.1.2 The SIM card holder ........................................................................... 44
6 Climatic and mechanical environment.............................................44
7 Demonstration board........................................................................45
8 General guidelines for the use of the WMOi3 .................................46
8.1 Key information.................................................................................. 46
8.1.1 Hardware and RF ............................................................................... 46
8.1.2 The Antenna ...................................................................................... 46
8.1.3 Firmware upgrade .............................................................................. 46
8.1.4 Getting started................................................................................... 47
9 Reference documents .......................................................................49
10 Acronyms and Abbreviations .........................................................50
11 Index ................................................................................................51
12 Annexes ...........................................................................................55
12.1 Mechanical specifications................................................................... 55
12.2 3V/5V SIM management..................................................................... 56
12.3 AT commands list .............................................................................. 57
12.4 Connectors data sheets ...................................................................... 61
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