User's Manual

LTE Module
EC20 Hardware Design
EC20_Hardware_Design Confidential / Released 4 / 83
3.13. ADC Function .......................................................................................................................... 42
3.14. Network Status Indication ........................................................................................................ 43
3.15. Operating Status Indication ..................................................................................................... 44
3.16. Behavior of the RI .................................................................................................................... 45
4 GNSS Receiver ................................................................................................................................... 46
4.1. General Description ................................................................................................................. 46
4.2. GNSS Performance ................................................................................................................. 47
4.3. Layout Guideline ...................................................................................................................... 48
5 Antenna Interface ............................................................................................................................... 49
5.1. Main/Rx-diversity Antenna Interface ........................................................................................ 49
5.1.1. Pin Definition .................................................................................................................. 49
5.1.2. Operating Frequency ..................................................................................................... 49
5.1.3. Reference Design .......................................................................................................... 50
5.2. GNSS Antenna Interface ......................................................................................................... 50
5.3. Antenna Installation ................................................................................................................. 51
5.3.1. Antenna Requirement .................................................................................................... 51
5.3.2. Install the Antenna with RF Connector .......................................................................... 52
6 Electrical, Reliability and Radio Characteristics ............................................................................ 55
6.1. Absolute Maximum Ratings ..................................................................................................... 55
6.2. Power Supply Ratings ............................................................................................................. 56
6.3. Operating Temperature ............................................................................................................ 56
6.4. Current Consumption .............................................................................................................. 57
6.5. RF Output Power ..................................................................................................................... 58
6.6. RF Receiving Sensitivity .......................................................................................................... 58
6.7. Electrostatic Discharge ............................................................................................................ 59
7 Mechanical Dimensions .................................................................................................................... 60
7.1. Mechanical Dimensions of the Module.................................................................................... 60
7.2. Footprint of Recommendation ................................................................................................. 62
7.3. Top View of the Module ........................................................................................................... 65
7.4. Bottom View of the Module ...................................................................................................... 65
8 Storage and Manufacturing .............................................................................................................. 66
8.1. Storage..................................................................................................................................... 66
8.2. Manufacturing and Welding ..................................................................................................... 66
8.3. Packaging ................................................................................................................................ 68
9 Appendix A Reference ....................................................................................................................... 69
10 Appendix B GPRS Coding Scheme ................................................................................................. 73
11 Appendix C GPRS Multi-slot Class .................................................................................................. 74
12 Appendix D EDGE Modulation and Coding Scheme ..................................................................... 75