MeiG_SLM320_Hardware Design Manual
MeiG Smart Technology Co., Ltd
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5.2 Radio frequency reference circuit ........................................................................................... 39
5.3 Installation of antenna ............................................................................................................. 40
5.3.1 Antenna requirements ................................................................................................... 40
5.3.2 RF output power ........................................................................................................... 41
5.3.3 RF reception sensitivity ................................................................................................. 42
5.3.4 Working frequency ........................................................................................................ 43
5.3.5 OTA Antenna requirements ....................................................................................... 45
6 Electrical characteristics ............................................................................................................... 46
6.1 Absolute Maximum Ratings .................................................................................................... 46
6.2 Ambient Temperature Range ................................................................................................. 46
6.3 Electrical Characteristics of Interface Working State ............................................................. 46
6.4 Module Power Consumption Range ....................................................................................... 47
6.5 Environmental reliability requirements .................................................................................... 78
6.6 ESD character ......................................................................................................................... 78
7 Mechanical characteristics ............................................................................................................ 80
7.1 Module Mechanical Dimensions ............................................................................................. 80
7.2 Recommended Footprint ........................................................................................................ 81
7.3 Top View of Module ................................................................................................................ 82
7.4 Bottom View of Module ........................................................................................................... 82
8 Storage and production ................................................................................................................. 83
8.1 Storage .................................................................................................................................... 83
8.2 Reflow Profile .......................................................................................................................... 83
8.3 Packaging ............................................................................................................................... 84
9 Appendix A refers to documentation and term abbreviations .................................................. 85
9.1 Reference File ......................................................................................................................... 85
9.2 Symbol Key ............................................................................................................................. 85
10 Appendix B GPRS Coding Scheme .............................................................................................. 89
