Smart LTE Module Series
SC600Y&SC600T Hardware Design
SC600Y&SC600T_Hardware_Design 4 / 128
3.21.1. Design Considerations ................................................................................................... 77
3.21.2. Flashlight Interfaces ....................................................................................................... 79
3.22. Sensor Interfaces ...................................................................................................................... 80
3.23. Audio Interfaces ........................................................................................................................ 80
3.23.1. Reference Circuit Design for Microphone Interfaces ..................................................... 82
3.23.2. Reference Circuit Design for Earpiece Interface ........................................................... 83
3.23.3. Reference Circuit Design for Headphone Interface ....................................................... 83
3.23.4. Reference Circuit Design for Loudspeaker Interface..................................................... 84
3.23.5. Audio Interfaces Design Considerations........................................................................ 84
3.24. Emergency Download Interface ................................................................................................ 85
4 Wi-Fi and BT ....................................................................................................................................... 86
4.1. Wi-Fi Overview .......................................................................................................................... 86
4.1.1. Wi-Fi Performance ......................................................................................................... 86
4.2. BT Overview .............................................................................................................................. 88
4.2.1. BT Performance ............................................................................................................. 89
5 GNSS ................................................................................................................................................... 90
5.1. GNSS Performance .................................................................................................................. 90
5.2. GNSS RF Design Guidelines .................................................................................................... 91
6 Antenna Interfaces ............................................................................................................................. 92
6.1. Main/Rx-diversity Antenna Interfaces ....................................................................................... 92
6.1.1. Main and Rx-diversity Antenna Interfaces Reference Design ....................................... 95
6.1.2. Reference Design of RF Layout..................................................................................... 96
6.2. Wi-Fi/BT Antenna Interface ....................................................................................................... 98
6.3. GNSS Antenna Interface ........................................................................................................... 99
6.3.1. Recommended Circuit for Passive Antenna .................................................................. 99
6.3.2. Recommended Circuit for Active Antenna ................................................................... 100
6.4. Antenna Installation ................................................................................................................. 100
6.4.1. Antenna Requirements ................................................................................................ 100
6.4.2. Recommended RF Connector for Antenna Installation ............................................... 101
7 Electrical, Reliability and Radio Characteristics .......................................................................... 103
7.1. Absolute Maximum Ratings .................................................................................................... 103
7.2. Power Supply Ratings ............................................................................................................. 103
7.3. Operation and Storage Temperatures ..................................................................................... 104
7.4. Current Consumption .............................................................................................................. 105
7.5. RF Output Power .....................................................................................................................111
7.6. RF Receiving Sensitivity ......................................................................................................... 114
7.7. Electrostatic Discharge ........................................................................................................... 116
8 Mechanical Dimensions .................................................................................................................. 118
8.1. Mechanical Dimensions of the Module ................................................................................... 118
8.2. Recommended Footprint ........................................................................................................ 120
8.3. Top and Bottom View of the Module ....................................................................................... 121