Users Manual Part 1

SIM8260A_Hardware Design_V1.05
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3.15 PM7250B Interface ...........................................................................................................................64
3.16 GPIOs Interface ................................................................................................................................ 66
3.17 Network Status ..................................................................................................................................67
3.18 Flight Mode Control .......................................................................................................................... 68
3.19 TDD_SYNC_PPS ............................................................................................................................. 69
3.20 Antenna Control Interface* ............................................................................................................... 70
4 Antenna Interfaces .....................................................................................................................................71
4.1 Antenna Definitions .............................................................................................................................71
4.1.1 3G/4G/5G Operating Frequency ...............................................................................................72
4.1.2 GNSS Frequency ...................................................................................................................... 73
4.2 Antenna Installation ............................................................................................................................ 74
4.2.1 PCB Layout Guidelines ............................................................................................................. 74
4.2.2 Antenna Tuner ........................................................................................................................... 74
4.2.3 Antenna Requirements ..............................................................................................................76
4.2.4 RF Plug Recommendation ........................................................................................................77
5 Electrical Specifications .............................................................................................................................79
5.1 Absolute Maximum Ratings ................................................................................................................79
5.2 Operating Conditions ..........................................................................................................................80
5.3 Operating Mode .................................................................................................................................. 81
5.3.1 Operating Mode Definition ........................................................................................................ 81
5.3.2 Sleep Mode ............................................................................................................................... 82
5.3.3 Minimum Functionality Mode and Flight Mode .........................................................................82
5.4 Current Consumption ..........................................................................................................................83
5.5 RF Output Power ................................................................................................................................ 84
5.6 Conducted Receive Sensitivity .........................................................................................................102
5.7 Thermal Design .................................................................................................................................103
5.8 ESD ...................................................................................................................................................104
6 Manufacturing ..........................................................................................................................................105
6.1 Top and Bottom View of SIM8XX0X .................................................................................................105
6.2 Label Description Information ...........................................................................................................105
6.3 Recommended PCB Footprint ......................................................................................................... 106
6.4 Recommended SMT Stencil .............................................................................................................107
6.5 Recommended SMT Reflow Profile ................................................................................................. 108
6.6 Moisture Sensitivity Level (MSL) ......................................................................................................109
6.7 Baking Requirements ........................................................................................................................110
7 Packaging .................................................................................................................................................111
8 Appendix .................................................................................................................................................. 113
8.1 Coding Schemes and Maximum Net Data Rates over Air Interface ............................................... 113
8.2 Related Documents .......................................................................................................................... 115
8.3 Terms and Abbreviations .................................................................................................................. 117
8.4 Safety Caution ...................................................................................................................................119