Product Info

LTE Standard Module Series
EG91 Series Hardware Design
EG91_Series_Hardware_Design
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Table Index
Table 1: Frequency Bands of EG91 Series Module ................................................................................... 13
Table 2: Key Features of EG91 series Module ........................................................................................... 14
Table 3: IO Parameters Definition ............................................................................................................... 21
Table 4: Pin Description .............................................................................................................................. 21
Table 5: Overview of Operating Modes ...................................................................................................... 28
Table 6: Pin Definition of VBAT and GND ................................................................................................... 33
Table 7: Pin Definition of PWRKEY ............................................................................................................ 35
Table 8: Pin Definition of RESET_N ........................................................................................................... 38
Table 9: Pin Definition of (U)SIM Interfaces ............................................................................................... 40
Table 10: Pin Definition of USB Interface ................................................................................................... 42
Table 11: Pin Definition of Main UART Interfaces ....................................................................................... 44
Table 12: Pin Definition of Debug UART Interface ..................................................................................... 44
Table 13: Logic Levels of Digital I/O ........................................................................................................... 44
Table 14: Pin Definition of PCM and I2C Interfaces ................................................................................... 48
Table 15: Pin Definition of SPI Interface ..................................................................................................... 49
Table 16: Pin Definition of Network Status Indicator .................................................................................. 50
Table 17: Working State of Network Status Indicator ................................................................................. 50
Table 18: Pin Definition of STATUS ............................................................................................................ 51
Table 19: Pin Definition of ADC Interface ................................................................................................... 52
Table 20: Characteristics of ADC Interface ................................................................................................. 52
Table 21: Default Behaviors of RI ............................................................................................................... 53
Table 22: Pin Definition of USB_BOOT Interface ....................................................................................... 53
Table 23: GNSS Performance .................................................................................................................... 55
Table 24: Pin Definition of RF Antenna ....................................................................................................... 57
Table 25: Module Operating Frequencies................................................................................................... 57
Table 26: Pin Definition of GNSS Antenna Interface .................................................................................. 61
Table 27: GNSS Frequency ........................................................................................................................ 61
Table 28: Antenna Requirements ............................................................................................................... 62
Table 29: Absolute Maximum Ratings ........................................................................................................ 65
Table 30: Power Supply Ratings ................................................................................................................. 65
Table 31: Operation and Storage Temperatures ......................................................................................... 66
Table 32: EG91-E Current Consumption .................................................................................................... 67
Table 33: EG91-NA Current Consumption .................................................................................................. 69
Table 34: EG91-NS Current Consumption ................................................................................................. 70
Table 35: EG91-VX Current Consumption .................................................................................................. 71
Table 36: EG91-EX Current Consumption .................................................................................................. 72
Table 37: EG91-NAX Current Consumption ............................................................................................... 74
Table 38: EG91-AUX Current Consumption ............................................................................................... 75
Table 39: GNSS Current Consumption of EG91 ........................................................................................ 78
Table 40: RF Output Power ........................................................................................................................ 78
Table 41: EG91-E Conducted RF Receiving Sensitivity ............................................................................. 79
Table 42: EG91-NA Conducted RF Receiving Sensitivity ........................................................................... 80