MeiG
Product
Manual
of
SLM750
Module
SLM750
Module
Hardware
Design
Page 5, total 84 pages
3.13 Network Status Indication ....................................................................................................................... 48
3.14 Status ....................................................................................................................................................... 49
3.15 ADC Function .......................................................................................................................................... 50
3.16 SGMII Interface ....................................................................................................................................... 50
3.17 Wireless Connectivity Interfaces ............................................................................................................. 52
3.17.1 WLAN Interface ........................................................................................................................... 54
3.17.2 BT Interface .................................................................................................................................. 55
3.18 SD Card Interface .................................................................................................................................... 55
3.19 USB_BOOT Interface .............................................................................................................................. 57
4 GNSS .................................................................................................................................................................... 58
4.1 General Description ................................................................................................................................... 58
4.2 GNSS Performance .................................................................................................................................... 58
4.3 Layout Guideline ....................................................................................................................................... 59
5 Antenna Interface .................................................................................................................................................. 59
5.1 Antenna Interface ....................................................................................................................................... 59
5.2 RF Reference Circuit ................................................................................................................................. 60
5.3 Antenna Installation ................................................................................................................................... 62
5.3.1 Antenna requirements ..................................................................................................................... 62
5.3.2 RF output power ............................................................................................................................. 62
5.3.3 RF receiving sensitivity .................................................................................................................. 63
5.3.4 Operating frequency ....................................................................................................................... 64
5.3.5 Antenna requirements ..................................................................................................................... 64
6 Electrical characteristics ....................................................................................................................................... 65
6.1 Limit voltage range .................................................................................................................................... 65
6.2 Temperature range ..................................................................................................................................... 66
6.3 Electrical Characteristics of Interface Operation Status ............................................................................ 66
6.4 Module Power Consumption Range .......................................................................................................... 67
6.5 Environmental Reliability Requirements ................................................................................................... 72
6.6 ESD Characteristics ................................................................................................................................... 73
7 Mechanical Dimensions........................................................................................................................................ 74
7.1 Mechanical Dimensions of the Module ..................................................................................................... 74
7.2 Recommended Packaging .......................................................................................................................... 76
7.3 Top View of the Module ............................................................................................................................ 77
7.4 Bottom View of the Module ...................................................................................................................... 77
8 Storage and Manufacturing ................................................................................................................................... 78
8.1 Storage ....................................................................................................................................................... 78
8.2 Manufacturing and Welding ...................................................................................................................... 79
8.3 Packing ...................................................................................................................................................... 79
9 Appendix A References......................................................................................................................................... 81
9.1 Related Documents .................................................................................................................................... 81
9.2 Terms and Abbreviations ........................................................................................................................... 81
10 Appendix B GPRS Coding Scheme .................................................................................................................... 83
