LTE Standard Module Series
EC200T Series Hardware Design
EC200T_Series_Hardware_Design 4 / 90
3.17.
Behaviors of the MAIN_RI ..................................................................................................... 55
3.18.
FORCE_USB_BOOT Interface ............................................................................................. 55
4
Antenna Interfaces .......................................................................................................................... 58
4.1.
Main/Rx-diversity Antenna Interfaces .................................................................................... 58
4.1.1.
Pin Definition ................................................................................................................ 58
4.1.2.
Operating Frequency ................................................................................................... 58
4.1.3.
Reference Design of RF Antenna Interface ................................................................. 61
4.1.4.
Reference Design of RF Layout ................................................................................... 61
4.2.
Antenna Installation ............................................................................................................... 63
4.2.1.
Antenna Requirement .................................................................................................. 63
4.2.2.
Recommended RF Connector for Antenna Installation ................................................ 64
5
Electrical, Reliability and Radio Characteristics .......................................................................... 66
5.1.
Absolute Maximum Ratings .................................................................................................. 66
5.2.
Power Supply Ratings ........................................................................................................... 67
5.3.
Operating and Storage Temperatures ................................................................................... 67
5.4.
Current Consumption ............................................................................................................ 68
5.5.
RF Output Power .................................................................................................................. 79
5.6.
RF Receiving Sensitivity ....................................................................................................... 81
5.7.
Electrostatic Discharge ......................................................................................................... 83
6
Mechanical Dimensions.................................................................................................................. 85
6.1.
Mechanical Dimensions of the Module.................................................................................. 85
6.2.
Recommended Footprint ....................................................................................................... 87
6.3.
Design Effect Drawings of the Module .................................................................................. 88
7
Storage, Manufacturing and Packaging ........................................................................................ 89
7.1.
Storage.................................................................................................................................. 89
7.2.
Manufacturing and Soldering ................................................................................................ 90
7.3.
Packaging ............................................................................................................................. 92
8
Appendix A References .................................................................................................................. 94
9
Appendix B GPRS Coding Schemes ............................................................................................. 98
10
Appendix C GPRS Multi-slot Classes ............................................................................................ 99
11
Appendix D EDGE Modulation and Coding Schemes ................................................................ 101
