SC200L Hardware Design
SC200L_Hardware_Design
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4
Wi-Fi
and
BT ................................................................................................................................... 55
4.1.
Wi-Fi Overview ....................................................................................................................... 55
4.1.1
Wi-Fi Performance ....................................................................................................... 55
4.2
BT Overview ........................................................................................................................... 56
4.2.1
BT Performance ........................................................................................................... 57
5
GNSS ................................................................................................................................................ 58
5.1
GNSS Performance ................................................................................................................ 58
5.2
GNSS RF Design Guidelines ................................................................................................. 59
6
Antenna Interfaces .......................................................................................................................... 60
6.1
Main/Rx-diversity Antenna Interfaces ..................................................................................... 60
6.1.1
Main and Rx-diversity Antenna Interfaces Reference Design ...................................... 62
6.1.2 Reference Design of RF Layout
..................................................................................... 62
6.2
Wi-Fi/BT Antenna Interface .................................................................................................... 64
6.3
GNSS Antenna Interface ........................................................................................................ 65
6.3.1
Recommended Circuit for Passive Antenna ................................................................ 66
6.3.2
Recommended Circuit for Active Antenna ................................................................... 66
6.4
Antenna Installation ................................................................................................................ 67
6.4.1
Antenna Requirements ................................................................................................ 67
6.4.2
Recommended RF Connector for Antenna Installation ................................................ 68
6
Electrical, Reliability and Radio Characteristics .......................................................................... 70
7.1
Absolute Maximum Ratings .................................................................................................... 70
7.2
Power Supply Ratings ............................................................................................................ 70
7.3
Operation and Storage Temperatures ..................................................................................... 71
7.4
Current Consumption ............................................................................................................. 71
7.5
RF Output Power .................................................................................................................... 74
7.6
RF Receiving Sensitivity ......................................................................................................... 76
7.7
Electrostatic Discharge ........................................................................................................... 77
7
Mechanical Dimensions.................................................................................................................. 78
8.1
Mechanical Dimensions of the Module ................................................................................... 78
8.2
Recommended Footprint ........................................................................................................ 80
8.3
Top and Bottom Views of the Module ..................................................................................... 81
8
Storage, Manufacturing and Packaging ........................................................................................ 82
8.1
Storage ................................................................................................................................... 82
9.2
Manufacturing and Soldering .................................................................................................. 82
9.3
Packaging ............................................................................................................................... 84
9
Appendix A References .................................................................................................................. 86
10
Appendix B GPRS Coding Schemes ............................................................................................. 91
11
Appendix C GPRS Multi-slot Classes ............................................................................................ 92
12
Appendix D EDGE Modulation and Coding Schemes .................................................................. 94
