Product Info

LTE Standard Module Series
EG91 Hardware Design
EG91_Hardware_Design 5 / 93
3.15. STATUS .................................................................................................................................. 48
3.16. ADC Interface ......................................................................................................................... 49
3.17. Behaviors of RI ....................................................................................................................... 50
3.18. USB_BOOT Interface ............................................................................................................. 51
4 GNSS Receiver .................................................................................................................................. 53
4.1. General Description ................................................................................................................ 53
4.2. GNSS Performance ................................................................................................................ 53
4.3. Layout Guidelines ................................................................................................................... 54
5 Antenna Interfaces ............................................................................................................................ 55
5.1. Main/Rx-diversity Antenna Interfaces..................................................................................... 55
5.1.1. Pin Definition ................................................................................................................. 55
5.1.2. Operating Frequency .................................................................................................... 55
5.1.3. Reference Design of RF Antenna Interface .................................................................. 56
5.1.4. Reference Design of RF Layout.................................................................................... 57
5.2. GNSS Antenna Interface ........................................................................................................ 59
5.3. Antenna Installation ................................................................................................................ 60
5.3.1. Antenna Requirement ................................................................................................... 60
5.3.2. Recommended RF Connector for Antenna Installation ................................................ 61
6 Electrical, Reliability and Radio Characteristics ........................................................................... 63
6.1. Absolute Maximum Ratings .................................................................................................... 63
6.2. Power Supply Ratings ............................................................................................................ 63
6.3. Operation and Storage Temperatures
................................................................................... 64
6.4. Current Consumption ............................................................................................................. 65
6.5. RF Output Power .................................................................................................................... 72
6.6. RF Receiving Sensitivity ......................................................................................................... 73
6.7. Electrostatic Discharge ........................................................................................................... 75
6.8. Thermal Consideration ........................................................................................................... 75
7 Mechanical Dimensions ................................................................................................................... 78
7.1. Mechanical Dimensions of the Module................................................................................... 78
7.2. Recommended Footprint ........................................................................................................ 80
7.3. Design Effect Drawings of the Module ................................................................................... 81
8 Storage, Manufacturing and Packaging ......................................................................................... 82
8.1. Storage ................................................................................................................................... 82
8.2. Manufacturing and Soldering ................................................................................................. 83
8.3. Packaging ............................................................................................................................... 84
9 Appendix A References .................................................................................................................... 86
10 Appendix B GPRS Coding Schemes .............................................................................................. 90
11 Appendix C GPRS Multi-slot Classes ............................................................................................. 91
12 Appendix D EDGE Modulation and Coding Schemes .................................................................. 93