Product Info
LPWA Module Series
BG95 Hardware Design
BG95_Hardware_Design 4 / 88
3.13. Network Status Indication ....................................................................................................... 52
3.14. STATUS ................................................................................................................................. 53
3.15. Behaviors of MAIN_RI ............................................................................................................ 54
3.16. USB_BOOT Interface ............................................................................................................. 55
3.17. ADC Interfaces ....................................................................................................................... 56
3.18. GPIO Interfaces* .................................................................................................................... 57
3.19. GRFC Interfaces .................................................................................................................... 58
4 GNSS Receiver ................................................................................................................................ 60
4.1. General Description ................................................................................................................ 60
4.2. GNSS Performance ................................................................................................................ 60
4.3. Layout Guidelines ................................................................................................................... 61
5 Antenna Interfaces .......................................................................................................................... 62
5.1. Main Antenna Interface .......................................................................................................... 62
5.1.1. Pin Definition ................................................................................................................ 62
5.1.2. Operating Frequency ................................................................................................... 62
5.1.3. Reference Design of Main Antenna Interface .............................................................. 63
5.1.4. Reference Design of RF Layout
................................................................................... 64
5.2. GNSS Antenna Interface ........................................................................................................ 66
5.3. Antenna Installation ................................................................................................................ 67
5.3.1. Antenna Requirements ................................................................................................ 67
5.3.2. Recommended RF Connector for Antenna Installation ................................................ 68
6 Electrical, Reliability and Radio Characteristics .......................................................................... 70
6.1. Absolute Maximum Ratings .................................................................................................... 70
6.2. Power Supply Ratings ............................................................................................................ 70
6.3. Operation and Storage Temperatures .................................................................................... 71
6.4. Current Consumption ............................................................................................................. 71
6.5. RF Output Power .................................................................................................................... 74
6.6. RF Receiving Sensitivity ......................................................................................................... 75
6.7. Electrostatic Discharge ........................................................................................................... 78
7 Mechanical Dimensions.................................................................................................................. 79
7.1. Top and Side Dimensions ...................................................................................................... 79
7.2. Recommended Footprint ........................................................................................................ 81
7.3.
Top and Bottom Views ........................................................................................................... 82
8 Storage, Manufacturing and Packaging ........................................................................................ 83
8.1. Storage ................................................................................................................................... 83
8.2. Manufacturing and Soldering .................................................................................................. 84
8.3. Packaging ............................................................................................................................... 85
9 Appendix A References .................................................................................................................. 87
10 Appendix B GPRS Coding Schemes ............................................................................................. 90
11 Appendix C GPRS Multi-slot Classes ............................................................................................ 91