Shanghai SIMCom Wireless Solutions Limited SIM7000A Benutzerhandbuch
Smart Machine Smart Decision
SIM7000 _Hardware Design _V1.00
2017-05-23
4.2
LTE CAT-M1Antenna Design Guide....................................................................................40
4.3
GNSS.................................................................................................................................... 41
4.3.1
GNSS Technical specification....................................................................................... 41
4.3.2
GNSS Application Guide...............................................................................................42
5 Electrical Specifications............................................................................................................ 44
5.1
Absolute maximum ratings...................................................................................................44
5.2
Operating conditions.............................................................................................................44
5.3
Operating Mode.................................................................................................................... 45
5.3.1
Operating Mode Definition............................................................................................45
5.3.2
Sleep mode.....................................................................................................................46
5.3.3
Minimum functionality mode and Flight mode.............................................................46
5.4
Current Consumption............................................................................................................47
5.5
ESD Notes.............................................................................................................................48
6 SMT Production Guide............................................................................................................. 49
6.1
Top and Bottom View of SIM7000.......................................................................................49
6.2
Label Information................................................................................................................. 50
6.3
Typical SMT Reflow Profile.................................................................................................51
6.4
Moisture Sensitivity Level (MSL)........................................................................................51
6.5
Stencil Foil Design Recommendation.................................................................................. 52
7 Packaging....................................................................................................................................53
7.1
tray packaging.......................................................................................................................53
Appendix............................................................................................................................................56
A. Reference Design....................................................................................................................... 56
B. Coding Schemes and Maximum Net Data Rates over Air Interface.........错误！未定义书签。
C. Related Documents.....................................................................................................................57
D. Terms and Abbreviations........................................................................................................... 59
E. Safety Caution.............................................................................................................................61
B. Coding Schemes and Maximum Net Data Rates over Air Interface.........错误！未定义书签。
C. Related Documents.....................................................................................................................57
D. Terms and Abbreviations........................................................................................................... 59
E. Safety Caution.............................................................................................................................61