Quectel SC200L Series Hardware Design page 7

3.20.2. Reference Circuit Design for Earpiece Interface ........................................................... 61
3.20.3. Reference Circuit Design for Headset Interface ............................................................ 61
3.20.4. Reference Circuit Design for Loudspeaker Interface..................................................... 62
3.20.5. Audio Signal Design Considerations ............................................................................. 62
3.21. Emergency Download Interface ................................................................................................ 63
4 Wi-Fi and Bluetooth ........................................................................................................................... 64
4.1. Wi-Fi Overview .......................................................................................................................... 64
4.1.1. Wi-Fi Performance ......................................................................................................... 64
4.2. Bluetooth Overview ................................................................................................................... 66
4.2.1. Bluetooth Performance .................................................................................................. 67
5 GNSS ................................................................................................................................................... 68
5.1. GNSS Performance .................................................................................................................. 68
5.2. GNSS RF Design Guidelines .................................................................................................... 69
6 Antenna Interfaces ............................................................................................................................. 70
6.1. Main/Rx-diversity Antenna Interfaces ....................................................................................... 70
6.1.1. Module Operating Frequencies ...................................................................................... 70
6.1.2. Reference Circuit Design for Main and Rx-diversity Antenna Interfaces ...................... 72
6.2. Wi-Fi/Bluetooth Antenna Interface ............................................................................................ 73
6.3. GNSS Antenna Interface ........................................................................................................... 74
6.3.1. Reference Circuit Design for Passive Antenna .............................................................. 75
6.3.2. Reference Circuit Design for Active Antenna ................................................................. 75
6.5. Reference Design of RF Layout ............................................................................................... 76
6.6. Antenna Installation .................................................................................................................. 78
6.6.1. Antenna Requirements .................................................................................................. 78
6.6.2. Recommended RF Connector for Antenna Installation ................................................. 79
7 Reliability, Radio and Electrical Characteristics ............................................................................ 81
7.1. Absolute Maximum Ratings ...................................................................................................... 81
7.2. Power Supply Ratings ............................................................................................................... 81
7.3. Operating and Storage Temperatures ...................................................................................... 82
7.4. Power Consumption .................................................................................................................. 82
7.5. Tx Power ................................................................................................................................... 90
7.6. Rx Sensitivity ............................................................................................................................. 93
7.7. ESD ........................................................................................................................................... 95
8 Mechanical Information ..................................................................................................................... 96
8.1. Mechanical Dimensions ............................................................................................................ 96
8.2. Recommended Footprint .......................................................................................................... 98
8.3. Top and Bottom Views .............................................................................................................. 99
9 Storage, Manufacturing and Packaging ........................................................................................ 100
9.1. Storage Conditions.................................................................................................................. 100
9.2. Manufacturing and Soldering .................................................................................................. 101
9.3. Packaging Specifications ........................................................................................................ 103
SC200L_Series(Dual-band Wi-Fi)_Hardware_Design
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