User's Manual

GE866-DUAL Hardware User Guide
1VV0301051 Rev. 2 – 2014-04-07 7
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Reserved. Page 5 of 82
Mod. 0805 2011-07 Rev.2
Contents
1. Introduction ................................................. 8
1.1. Scope ..................................................... 8
1.2. Audience .................................................. 8
1.3. Contact Information, Support .............................. 8
1.4. Document Organization ..................................... 9
1.5. Text Conventions ......................................... 10
1.6. Related Documents ........................................ 10
2. Overview .................................................... 11
3. GE866-QUAD Mechanical Dimensions ............................ 12
4. GE866-QUAD module connections ............................... 13
4.1. PIN-OUT .................................................. 13
4.2. Pin Layout ............................................... 16
5. Hardware Commands ........................................... 17
5.1. Auto-Turning ON the GE866-QUAD ........................... 17
5.2. Turning OFF the GE866-QUAD ............................... 19
5.3. Resetting the GE866-QUAD ................................. 21
5.3.1. Hardware Unconditional restart ............................. 21
6. Power Supply ................................................ 24
6.1. Power Supply Requirements ................................ 24
6.2. Power Consumption ........................................ 26
6.3. General Design Rules ..................................... 27
6.3.1. Electrical Design Guidelines ............................... 27
6.3.2. Thermal Design Guidelines .................................. 30
6.3.3. Power Supply PCB layout Guidelines ......................... 32
7. Antenna ..................................................... 34
7.1. GSM Antenna Requirements ................................. 34
7.1.1. GE866-QUAD Antenna – PCB line Guidelines ................... 34
7.2. PCB Design Guidelines .................................... 37
7.2.1. Transmission line design ................................... 37
7.2.2. Transmission line measurements ............................. 38