Product Info

LTE Standard Module Series
EG91 Series Hardware Design
EG91_Series_Hardware_Design
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3.15. STATUS ................................................................................................................................... 51
3.16. ADC Interface .......................................................................................................................... 51
3.17. Behaviors of RI ........................................................................................................................ 52
3.18. USB_BOOT Interface .............................................................................................................. 53
4 GNSS Receiver ................................................................................................................................... 55
4.1. General Description ................................................................................................................. 55
4.2. GNSS Performance ................................................................................................................. 55
4.3. Layout Guidelines .................................................................................................................... 56
5 Antenna Interfaces ............................................................................................................................. 57
5.1. Main/Rx-diversity Antenna Interfaces ...................................................................................... 57
5.1.1. Pin Definition .................................................................................................................. 57
5.1.2. Operating Frequency ...................................................................................................... 57
5.1.3. Reference Design of RF Antenna Interface .................................................................... 58
5.1.4. Reference Design of RF Layout ..................................................................................... 59
5.2. GNSS Antenna Interface ......................................................................................................... 61
5.3. Antenna Installation ................................................................................................................. 62
5.3.1. Antenna Requirement .................................................................................................... 62
5.3.2. Recommended RF Connector for Antenna Installation .................................................. 63
6 Electrical, Reliability and Radio Characteristics ............................................................................. 65
6.1. Absolute Maximum Ratings ..................................................................................................... 65
6.2. Power Supply Ratings .............................................................................................................. 65
6.3. Operation and Storage Temperatures ..................................................................................... 66
6.4. Current Consumption ............................................................................................................... 67
6.5. RF Output Power ..................................................................................................................... 78
6.6. RF Receiving Sensitivity .......................................................................................................... 79
6.7. Electrostatic Discharge ............................................................................................................ 83
6.8. Thermal Consideration ............................................................................................................. 83
7 Mechanical Dimensions .................................................................................................................... 86
7.1. Mechanical Dimensions of the Module .................................................................................... 86
7.2. Recommended Footprint ......................................................................................................... 88
7.3. Top and Bottom Views of the Module ...................................................................................... 89
8 Storage, Manufacturing and Packaging ........................................................................................... 90
8.1. Storage .................................................................................................................................... 90
8.2. Manufacturing and Soldering ................................................................................................... 91
8.3. Packaging ................................................................................................................................ 92
9 Appendix A References ..................................................................................................................... 95
10 Appendix B GPRS Coding Schemes ................................................................................................ 99
11 Appendix C GPRS Multi-slot Classes ........................................................................................... 100
12 Appendix D EDGE Modulation and Coding Schemes ................................................................. 102