Product Info
LPWA Module Series
BG95 Series Hardware Design
BG95_Series_Hardware_Design 5 / 106
3.15. Behaviors of MAIN_RI ............................................................................................................ 55
3.16. USB_BOOT Interface ............................................................................................................. 56
3.17. ADC Interfaces ....................................................................................................................... 57
3.18. GPIO Interfaces ...................................................................................................................... 58
3.19. GRFC Interfaces .................................................................................................................... 60
4 GNSS Receiver ................................................................................................................................ 61
4.1. General Description ................................................................................................................ 61
4.2. GNSS Performance ................................................................................................................ 61
4.3. Layout Guidelines ................................................................................................................... 62
5 Antenna Interfaces .......................................................................................................................... 63
5.1. Main Antenna Interface .......................................................................................................... 63
5.1.1. Pin Definition ................................................................................................................ 63
5.1.2. Operating Frequency ................................................................................................... 63
5.1.3. Reference Design of Main Antenna Interface .............................................................. 64
5.1.4. Reference Design of RF Layout ................................................................................... 65
5.2. GNSS Antenna Interface ........................................................................................................ 67
5.3. Wi-Fi Antenna Interface* ......................................................................................................
.. 68
5.4. Antenna Installation ................................................................................................................ 69
5.4.1. Antenna Requirements ................................................................................................ 69
5.4.2. Recommended RF Connector for Antenna Installation ................................................ 69
6 Electrical, Reliability and Radio Characteristics .......................................................................... 72
6.1. Absolute Maximum Ratings .................................................................................................... 72
6.2. Power Supply Ratings ............................................................................................................ 72
6.3. Operating and Storage Temperatures .................................................................................... 73
6.4. Current Consumption ............................................................................................................. 73
6.5. RF Output Power .................................................................................................................... 84
6.6. RF Receiving Sensitivity ......................................................................................................... 86
6.7. Electrostatic Discharge ........................................................................................................... 90
7 Mechanical Dimensions.................................................................................................................. 91
7.1. Top and Side Dimensions ...................................................................................................... 91
7.2. Recommended Footprint ........................................................................................................ 93
7.3. Top and Bottom Views ........................................................................................................... 94
8
Storage, Manufacturing and Packaging ........................................................................................ 95
8.1. Storage ................................................................................................................................... 95
8.2. Manufacturing and Soldering .................................................................................................. 96
8.3. Packaging ............................................................................................................................... 97
9 Appendix A References ................................................................................................................ 100
10 Appendix B GPRS Coding Schemes ........................................................................................... 103
11 Appendix C GPRS Multi-slot Classes .......................................................................................... 104
12 Appendix D EDGE Modulation and Coding Schemes ................................................................ 106