LPWA Module Series
BG95 Hardware Design
BG95_Hardware_Design 4 / 80
3.17. GPIO Interfaces ...................................................................................................................... 52
4 GNSS Receiver ................................................................................................................................ 54
4.1. General Description ................................................................................................................ 54
4.2. GNSS Performance ................................................................................................................ 54
4.3. Layout Guidelines ................................................................................................................... 55
5 Antenna Interfaces .......................................................................................................................... 56
5.1. Main Antenna Interface .......................................................................................................... 56
5.1.1. Pin Definition ................................................................................................................ 56
5.1.2. Operating Frequency ................................................................................................... 56
5.1.3. Reference Design of RF Antenna Interface ................................................................. 57
5.1.4. Reference Design of RF Layout ................................................................................... 58
5.2. GNSS Antenna Interface ........................................................................................................ 60
5.3. Antenna Installation ................................................................................................................ 61
5.3.1. Antenna Requirements ................................................................................................ 61
5.3.2. Recommended RF Connector for Antenna Installation ................................................ 62
6 Electrical, Reliability and Radio Characteristics .......................................................................... 64
6.1. Absolute Maximum Ratings .................................................................................................... 6
4
6.2. Power Supply Ratings ............................................................................................................ 64
6.3. Operation and Storage Temperatures .................................................................................... 65
6.4. RF Output Power .................................................................................................................... 65
6.5. RF Receiving Sensitivity ......................................................................................................... 66
6.6. Electrostatic Discharge ........................................................................................................... 67
7 Mechanical Dimensions.................................................................................................................. 69
7.1. Mechanical Dimensions of the Module ................................................................................... 69
7.2. Recommended Footprint ........................................................................................................ 71
7.3. Design Effect Drawings of the Module .................................................................................... 72
8 Storage, Manufacturing and Packaging ........................................................................................ 73
8.1. Storage ................................................................................................................................... 73
8.2. Manufacturing and Soldering .................................................................................................. 74
8.3. Packaging ............................................................................................................................... 75
9 Appendix A References .................................................................................................................. 77
10 Appendix B GPRS Coding Schemes ............................................................................................. 80
11 Appendix C GPRS Multi-slot Classes ............................................................................................
81
12 Appendix D EDGE Modulation and Coding Schemes .................................................................. 83
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