Quectel BG950A-GL, Руководство пользователя

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LPWA Module Series
BG950A-GL&BG951A-GL_Hardware_Design 7 / 84
4.6. Indication Signals ................................................................................................................................. 49
4.6.1. PSM Status Indication ............................................................................................................... 49
4.6.2. Network Status Indication ......................................................................................................... 50
4.6.3. STATUS ....................................................................................................................................... 51
4.6.4. MAIN_RI* ..................................................................................................................................... 52
4.7. GRFC Interfaces* ................................................................................................................................. 52
4.8. GPIO Interface* .................................................................................................................................... 53
5 RF Specifications ............................................................................................................................................. 54
5.1. Cellular Network ................................................................................................................................... 54
5.1.1. Antenna Interface & Frequency Bands .................................................................................. 54
5.1.2. Tx Power ...................................................................................................................................... 55
5.1.3. Rx Sensitivity ............................................................................................................................... 56
5.1.4. Reference Design ...................................................................................................................... 57
5.2. GNSS ..................................................................................................................................................... 58
5.2.1. Antenna Interface & Frequency Bands .................................................................................. 58
5.2.2. GNSS Performance ................................................................................................................... 59
5.2.3. Reference Design ...................................................................................................................... 60
5.3. Layout Guidelines ................................................................................................................................. 60
5.4. RF Routing Guidelines ........................................................................................................................ 61
5.5. Antenna Design Requirements .......................................................................................................... 63
5.6. RF Connector Recommendation ....................................................................................................... 63
6 Reliability and Electrical Characteristics .................................................................................................. 65
6.1. Absolute Maximum Ratings ................................................................................................................ 65
6.2. Power Supply Ratings ......................................................................................................................... 65
6.3. Power Consumption ............................................................................................................................. 66
6.4. ESD ......................................................................................................................................................... 70
6.5. Operating and Storage Temperatures .............................................................................................. 71
7 Mechanical Information .................................................................................................................................. 72
7.1. Mechanical Dimensions ...................................................................................................................... 72
7.2. Recommended Footprint .................................................................................................................... 74
7.3. Top and Bottom Views ......................................................................................................................... 75
8 Storage, Manufacturing & Packaging ......................................................................................................... 76
8.1. Storage Conditions ............................................................................................................................... 76
8.2. Manufacturing and Soldering ............................................................................................................. 77
8.3. Packaging Specifications .................................................................................................................... 78
8.3.1. Carrier Tape ................................................................................................................................. 78
8.3.2. Plastic Reel ................................................................................................................................. 79
8.3.3. Packing Process ......................................................................................................................... 80
9 Appendix References ...................................................................................................................................... 81