
GL865-DUAL V3 Hardware User Guide
1vv0301018 Rev.5 – 2013-08-05
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved.
Page 5 of 76
Mod. 0805 2011-07 Rev.2
Contents
1.
Introduction
............................................................................................................ 9
1.1.
Scope
............................................................................................................................. 9
1.2.
Audience
........................................................................................................................ 9
1.3.
Contact Information, Support
.......................................................................................... 9
1.4.
Document Organization
................................................................................................ 10
1.5.
Text Conventions
......................................................................................................... 11
1.6.
Related Documents
....................................................................................................... 11
2.
Overview
............................................................................................................... 12
3.
GL865-DUAL V3 Mechanical Dimensions
................................................................ 13
4.
GL865-DUAL V3 module connections
...................................................................... 14
4.1.
PIN-OUT
..................................................................................................................... 14
4.2.
Pin Layout
................................................................................................................... 17
5.
Hardware Commands
............................................................................................. 18
5.1.
Auto-Turning ON the GL865-DUAL V3
....................................................................... 18
5.2.
Turning OFF the GL865-DUAL V3
.............................................................................. 20
5.3.
Resetting the GL865-DUAL V3
.................................................................................... 22
5.3.1.
Hardware Unconditional restart
......................................................................................... 22
6.
Power Supply
........................................................................................................ 24
6.1.
Power Supply Requirements
......................................................................................... 24
6.2.
Power Consumption
..................................................................................................... 25
6.3.
General Design Rules
................................................................................................... 26
6.3.1.
Electrical Design Guidelines
............................................................................................. 26
6.3.2.
Thermal Design Guidelines
............................................................................................... 29
6.3.3.
Power Supply PCB layout Guidelines
................................................................................ 30
7.
Antenna
................................................................................................................ 31
7.1.
GSM Antenna Requirements
......................................................................................... 31
7.1.1.
GL865-DUAL V3 Antenna – PCB line Guidelines
............................................................. 31
7.2.
PCB Design Guidelines
................................................................................................ 33