Quectel AF20 - Page 9

Wi-Fi&Bluetooth Module Series
AF20_Hardware_Design
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Table Index
Table 1: Special Mark ......................................................................................................................................... 10
Table 2: Key Features .........................................................................................................................................11
Table 3: I/O Parameters Definition ..................................................................................................................... 16
Table 4: Pin Description ......................................................................................................................................16
Table 5: Power Supply Pins and GND Pins ....................................................................................................... 19
Table 6: Pin Definition of WLAN_EN .................................................................................................................. 21
Table 7: Pin Definition of SDIO Interface ............................................................................................................22
Table 8: Pin Definition of BT_EN ........................................................................................................................ 24
Table 9: Pin Definition of PCM Interface .............................................................................................................24
Table 10: Pin Definition of Bluetooth UART Interface ........................................................................................ 25
Table 11: Pin Definition of Coexistence UART ................................................................................................... 26
Table 12: Pin Definition of 32KHZ_IN .................................................................................................................27
Table 13: Pin Definition of the RF Antenna Interface ......................................................................................... 27
Table 14: Operating Frequency of the Module ................................................................................................... 27
Table 15: Antenna Requirements ....................................................................................................................... 30
Table 16: Absolute Maximum Ratings ................................................................................................................ 33
Table 17: Recommended Operating Conditions ................................................................................................ 33
Table 18: Digital I/O Characteristics ................................................................................................................... 33
Table 19: Wi-Fi Power Consumption of the Module (1.8 V and 3.3 V Power Supply) ....................................... 34
Table 20: Conducted RF Output Power at 2.4 GHz ........................................................................................... 35
Table 21: Conducted RF Output Power at 5 GHz .............................................................................................. 35
Table 22: Conducted RF Receiving Sensitivity at 2.4 GHz ................................................................................ 36
Table 23: Conducted RF Receiving Sensitivity at 5 GHz ................................................................................... 36
Table 24: ESD Characteristics (Temperature: 25 °C, Humidity: 45 %; Unit: kV) ............................................... 37
Table 25: Recommended Thermal Profile Parameters ...................................................................................... 44
Table 26: Carrier Tape Dimension Table (Unit: mm) .......................................................................................... 45
Table 27: Plastic Reel Dimension Table (Unit: mm) ........................................................................................... 46
Table 28: Related Documents ............................................................................................................................ 48
Table 29: Terms and Abbreviations .................................................................................................................... 48