Product Info

LTE Standard Module Series
EG91 Hardware Design
EG91_Hardware_Design 6 / 93
Table Index
TABLE 1: FREQUENCY BANDS OF EG91 SERIES MODULE ....................................................................... 12
TABLE 2: KEY FEATURES OF EG91 MODULE ............................................................................................... 13
TABLE 3: IO PARAMETERS DEFINITION ........................................................................................................ 19
TABLE 4: PIN DESCRIPTION ........................................................................................................................... 19
TABLE 5: OVERVIEW OF OPERATING MODES ............................................................................................. 26
TABLE 6: PIN DEFINITION OF VBAT AND GND ............................................................................................. 31
TABLE 7: PIN DEFINITION OF PWRKEY ........................................................................................................ 33
TABLE 8: PIN DEFINITION OF RESET_N ....................................................................................................... 36
TABLE 9: PIN DEFINITION OF (U)SIM INTERFACES ..................................................................................... 38
TABLE 10: PIN DEFINITION OF USB INTERFACE ......................................................................................... 40
TABLE 11: PIN DEFINITION OF MAIN UART INTERFACES ........................................................................... 42
TABLE 12: PIN DEFINITION OF DEBUG UART INTERFACE ......................................................................... 42
TABLE 13: LOGIC LEVELS OF DIGITAL I/O .................................................................................................... 43
TABLE 14: PIN DEFINITION OF PCM AND I2C INTERFACES ....................................................................... 46
TABLE 15: PIN DEFINITION OF SPI INTERFACE ........................................................................................... 47
TABLE 16: PIN DEFINITION OF NETWORK STATUS INDICATOR ................................................................ 48
TABLE 17: WORKING STATE OF NETWORK STATUS INDICATOR .............................................................. 48
TABLE 18: PIN DEFINITION OF STATUS ........................................................................................................ 49
TABLE 19: PIN DEFINITION OF ADC INTERFACE ......................................................................................... 49
TABLE 20: CHARACTERISTICS OF ADC INTERFACE ................................................................................... 50
TABLE 21: DEFAULT BEHAVIORS OF RI ........................................................................................................ 50
TABLE 22: PIN DEFINITION OF USB_BOOT INTERFACE ............................................................................. 51
TABLE 23: GNSS PERFORMANCE ................................................................................................................. 53
TABLE 24: PIN DEFINITION OF RF ANTENNA ............................................................................................... 55
TABLE 25: MODULE OPERATING FREQUENCIES ........................................................................................ 55
TABLE 26: PIN DEFINITION OF GNSS ANTENNA INTERFACE ..................................................................... 59
TABLE 27: GNSS FREQUENCY ....................................................................................................................... 59
TABLE 28: ANTENNA REQUIREMENTS .......................................................................................................... 60
TABLE 29: ABSOLUTE MAXIMUM RATINGS .................................................................................................. 63
TABLE 30: POWER SUPPLY RATINGS ........................................................................................................... 63
TABLE 31: OPERATION AND STORAGE TEMPERATURES .......................................................................... 64
TABLE 32: EG91-E CURRENT CONSUMPTION ............................................................................................. 65
TABLE 33: EG91-NA CURRENT CONSUMPTION........................................................................................... 67
TABLE 34: EG91-NS CURRENT CONSUMPTION .......................................................................................... 68
TABLE 35: EG91-VX CURRENT CONSUMPTION........................................................................................... 69
TABLE 36: EG91-EX CURRENT CONSUMPTION........................................................................................... 70
TABLE 37: GNSS CURRENT CONSUMPTION OF EG91 ............................................................................... 72
TABLE 38: RF OUTPUT POWER ..................................................................................................................... 72
TABLE 39: EG91-E CONDUCTED RF RECEIVING SENSITIVITY .................................................................. 73
TABLE 40: EG91-NA CONDUCTED RF RECEIVING SENSITIVITY ............................................................... 73
TABLE 41: EG91-NS CONDUCTED RF RECEIVING SENSITIVITY ............................................................... 74
TABLE 42: EG91-VX CONDUCTED RF RECEIVING SENSITIVITY ............................................................... 74