Product Info
                                                                                                                                            Automotive  Module  Series 
   AG521R-NA  QuecOpen
Hardware  Design 
AG521R-NA_QuecOpen_Hardware_Design                                                                                        5  / 104 
3.13.  SDIO Interface ........................................................................................................................................ 53 
3.14.  SPI Interfaces .......................................................................................................................................... 56 
3.15.  RGMII Interface ..................................................................................................................................... 57 
3.16.  WLAN and BT Interfaces* ..................................................................................................................... 60 
3.17.  ADC Interfaces ....................................................................................................................................... 63 
3.18.  USB_BOOT Interface ............................................................................................................................. 64 
3.19.  GPIO Interfaces ...................................................................................................................................... 64 
4  Antenna Interfaces............................................................................................................................................ 66 
4.1.  Main/Rx-diversity Antenna Interface ..................................................................................................... 66 
4.1.1.  Pin Definition .............................................................................................................................. 66 
4.1.2.  Operating Frequency ................................................................................................................... 66 
4.1.3.  Reference Design of RF Antenna Interfaces ............................................................................... 67 
4.1.4.  Reference Design of RF Layout ................................................................................................. 68 
4.2.  Antenna Installation ................................................................................................................................ 70 
4.2.1.  Antenna Requirements ................................................................................................................ 70 
4.2.2.  Recommended RF Connector for Antenna Installation .............................................................. 71 
5  Reliability, Radio and Electrical Characteristics ........................................................................................... 72 
5.1.  Absolute Maximum Ratings ................................................................................................................... 72 
5.2.  Power Supply Ratings ............................................................................................................................. 72 
5.3.  Operation and Storage Temperatures ...................................................................................................... 73 
5.4.  Current Consumption .............................................................................................................................. 73 
5.5.  RF Output Power .................................................................................................................................... 75 
5.6.  RF Receiving Sensitivity ........................................................................................................................ 76 
5.7.  Electrostatic Discharge ........................................................................................................................... 77 
5.8.  Thermal Consideration ........................................................................................................................... 77 
6  Mechanical Dimensions .................................................................................................................................... 80 
6.1.  Mechanical Dimensions .......................................................................................................................... 80 
6.2.  Recommended Footprint ........................................................................................................................ 82 
6.3.  Top and Bottom Views............................................................................................................................ 83 
7  Storage, Manufacturing and Packaging ......................................................................................................... 84 
7.1.  Storage .................................................................................................................................................... 84 
7.2.  Manufacturing and Soldering ................................................................................................................. 85 
7.3.  Packaging ................................................................................................................................................ 86 
8  Appendix A References .................................................................................................................................... 88 










