Quectel QuecOpen AG521R-NA Hardware Design page 6

3.13. SDIO Interface ........................................................................................................................................ 55
3.14. SPI Interfaces .......................................................................................................................................... 58
3.15. RGMII Interface ..................................................................................................................................... 59
3.16. WLAN and BT Interfaces* ..................................................................................................................... 62
3.17. ADC Interfaces ....................................................................................................................................... 65
3.18. USB_BOOT Interface ............................................................................................................................. 66
3.19. GPIO Interfaces ...................................................................................................................................... 66
4
Antenna Interfaces............................................................................................................................................ 68
4.1.
Main/Rx-diversity Antenna Interface ..................................................................................................... 68
4.1.1. Pin Definition .............................................................................................................................. 68
4.1.2. Operating Frequency ................................................................................................................... 68
4.1.3. Reference Design of RF Antenna Interfaces ............................................................................... 69
4.1.4. Reference Design of RF Layout ................................................................................................. 70
4.2. Antenna Installation ................................................................................................................................ 72
4.2.1. Antenna Requirements ................................................................................................................ 72
4.2.2. Recommended RF Connector for Antenna Installation .............................................................. 72
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Reliability, Radio and Electrical Characteristics ........................................................................................... 74
5.1. Absolute Maximum Ratings ................................................................................................................... 74
5.2. Power Supply Ratings ............................................................................................................................. 74
5.3. Operation and Storage Temperatures ...................................................................................................... 75
5.4. Current Consumption .............................................................................................................................. 75
5.5. RF Output Power .................................................................................................................................... 76
5.6.
RF Receiving Sensitivity ........................................................................................................................ 77
5.7.
Electrostatic Discharge ........................................................................................................................... 78
5.8.
Thermal Consideration ........................................................................................................................... 78
6
Mechanical Dimensions .................................................................................................................................... 81
6.1. Mechanical Dimensions .......................................................................................................................... 81
6.2. Recommended Footprint ........................................................................................................................ 83
6.3. Top and Bottom Views............................................................................................................................ 84
7
Storage, Manufacturing and Packaging ......................................................................................................... 85
7.1.
Storage .................................................................................................................................................... 85
7.2.
Manufacturing and Soldering ................................................................................................................. 86
7.3. Packaging ................................................................................................................................................ 87
8
Appendix A References .................................................................................................................................... 89
AG521R-NA_QuecOpen_Hardware_Design
Automotive Module Series
AG521R-NA QuecOpen Hardware Design
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