Table Of Contents - Zte MG2639 User Manual

1 GENERAL DESCRIPTION OF MODULE ........................................................................ 1
1.1 INTRODUCTION OF MODULE'S FUNCTIONS ..................................................... 1
1.2 MODULE'S PRINCIPLE DIAGRAM ....................................................................... 2
1.3 ABBREVIATIONS ................................................................................................... 3
2 DESCRIPTIONS OF MODULE'S EXTERNAL INTERFACES ........................................ 5
2.1 DEFINITIONS OF MODULE'S INTERFACES ........................................................ 5
2.2 ANTENNA INTERFACE ......................................................................................... 6
3 MODULE'S ELECTRICAL CHARACTERISTICS ........................................................... 8
3.1 DESCRIPTIONS OF LEVELS OF INTERFACE SIGNALS ..................................... 8
3.1.1 RESET .......................................................................................................... 8
3.1.2 SIM CARD INTERFACE ............................................................................... 8
3.1.3 AUDIO INTERFACE ..................................................................................... 9
3.1.4 NETWORK SIGNAL INDICATION ................................................................ 9
3.2 MODULE POWER CONSUMPTION .................................................................... 10
3.3 RELIABILITY CHARACTERISTICS ..................................................................... 10
4 INTERFACE CIRCUIT DESIGN .................................................................................... 11
4.1 RESET AND POWER DESIGN ............................................................................ 11
4.2 UART INTERFACE ............................................................................................... 12
4.3 SIM CARD INTERFACE ....................................................................................... 13
4.4 AUDIO INTERFACE ............................................................................................. 14
5 MECHANICAL DIMENSIONS ....................................................................................... 15
5.1 APPEARANCE DIAGRAM ................................................................................... 15
5.2 MODULE ASSEMBLY DIAGRAM ........................................................................ 15
5.3 PCB DIMENSIONS .............................................................................................. 16
6 ANTENNA INTERFACE ................................................................................................ 16
6.1 ANTENNA INSTALLATION .................................................................................. 17
6.2 ANTENNA PAD .................................................................................................... 17
6.3 ANTENNA CONNECTOR .................................................................................... 17
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