Enfora Enabler LPP G
Integration Guide
1.
SAFETY PRECAUTIONS ................................................................................................................................. 1
1.1.
2.
REGULATORY COMPLIANCE FCC ............................................................................................................. 1
2.1.
2.2.
................................................................................................................................................... 3
3.
MANUAL OVERVIEW ...................................................................................................................................... 4
3.1.
3.2.
R
................................................................................................................................................... 5
H
3.2.1.
3.2.2.
GSM Device Specifications .................................................................................................................. 5
3.2.3.
US Government .................................................................................................................................... 5
3.2.4.
3.2.5.
3.2.6.
Industry Canada .................................................................................................................................. 6
3.2.7.
Environmental Regulations .................................................................................................................. 6
3.2.8.
Mechanical Specifications ................................................................................................................... 6
3.2.9.
RF and EMI Specifications .................................................................................................................. 6
4.
INTRODUCTION ............................................................................................................................................... 7
4.1.
4.2.
4.3.
4.4.
4.5.
4.5.1.
4.5.1.1.
Ground Plane ................................................................................................................................................... 13
4.5.1.2.
Thermal Relief ................................................................................................................................................. 14
4.5.1.3.
Antenna and RF Signal Trace .......................................................................................................................... 15
4.5.1.4.
Vbat Input ........................................................................................................................................................ 16
4.5.2.
Audio Reference Design ..................................................................................................................... 17
4.5.2.1.
Audio Schematics ............................................................................................................................................ 17
4.5.2.2.
Audio Layout ................................................................................................................................................... 17
4.6.
5.
TECHNICAL SPECIFICATIONS .................................................................................................................. 18
5.1.
5.2.
C
: S
LIMATIC
TORAGE AND
5.3.
5.3.1.
Typical Input Current ........................................................................................................................ 20
5.3.2.
GSM Transmit Power ........................................................................................................................ 20
5.3.3.
GSM Receiver Sensitivity ................................................................................................................... 21
6.
PHYSICAL INTERFACES .............................................................................................................................. 21
6.1.
6.2.
6.3.
6.4.
..................................................................................................................................................... 27
LPP0108IG001
Table of Contents
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Version - Preliminary - 06/20/2008