Quectel EG25-G, Hardware Design

Page: 6 / 103

LTE Module Series
EG25-G Hardware Design
EG25-G_Hardware_Design 5 / 100
Table Index
TABLE 1: FREQUENCY BANDS OF EG25-G MODULE ................................................................................... 11
TABLE 2: KEY FEATURES OF EG25-G MODULE ........................................................................................... 12
TABLE 3: I/O PARAMETERS DEFINITION ....................................................................................................... 18
TABLE 4: PIN DESCRIPTION ........................................................................................................................... 18
TABLE 5: OVERVIEW OF OPERATING MODES ............................................................................................. 29
TABLE 6: VBAT AND GND PINS ....................................................................................................................... 34
TABLE 7: PIN DEFINITION OF PWRKEY ........................................................................................................ 36
TABLE 8: RESET_N PIN DESCRIPTION ......................................................................................................... 39
TABLE 9: PIN DEFINITION OF (U)SIM INTERFACE ....................................................................................... 41
TABLE 10: PIN DESCRIPTION OF USB INTERFACE ..................................................................................... 43
TABLE 11: PIN DEFINITION OF MAIN UART INTERFACE ............................................................................. 45
TABLE 12: PIN DEFINITION OF DEBUG UART INTERFACE ......................................................................... 45
TABLE 13: LOGIC LEVELS OF DIGITAL I/O .................................................................................................... 45
TABLE 14: PIN DEFINITION OF PCM AND I2C INTERFACES ....................................................................... 48
TABLE 15: PIN DEFINITION OF SD CARD INTERFACE ................................................................................ 49
TABLE 16: PIN DEFINITION OF WIRELESS CONNECTIVITY INTERFACES ................................................ 51
TABLE 17: PIN DEFINITION OF SGMII INTERFACE ...................................................................................... 55
TABLE 18: PIN DEFINITION OF ADC INTERFACES ....................................................................................... 57
TABLE 19: CHARACTERISTIC OF ADC .......................................................................................................... 57
TABLE 20: PIN DEFINITION OF NETWORK CONNECTION STATUS/ACTIVITY INDICATOR ...................... 57
TABLE 21: WORKING STATE OF THE NETWORK CONNECTION STATUS/ACTIVITY INDICATOR ........... 58
TABLE 22: PIN DEFINITION OF STATUS ........................................................................................................ 59
TABLE 23: BEHAVIORS OF RI ......................................................................................................................... 59
TABLE 24: PIN DEFINITION OF USB_BOOT INTERFACE ............................................................................. 60
TABLE 25: GNSS PERFORMANCE ................................................................................................................. 61
TABLE 26: PIN DEFINITION OF THE RF ANTENNA ....................................................................................... 63
TABLE 27: MODULE OPERATING FREQUENCIES ........................................................................................ 63
TABLE 28: PIN DEFINITION OF GNSS ANTENNA INTERFACE ..................................................................... 67
TABLE 29: GNSS FREQUENCY ....................................................................................................................... 68
TABLE 30: ANTENNA REQUIREMENTS .......................................................................................................... 69
TABLE 31: ABSOLUTE MAXIMUM RATINGS .................................................................................................. 72
TABLE 32: THE MODULE POWER SUPPLY RATINGS .................................................................................. 73
TABLE 33: OPERATION AND STORAGE TEMPERATURES .......................................................................... 73
TABLE 34: EG25-G CURRENT CONSUMPTION ............................................................................................. 74
TABLE 35: GNSS CURRENT CONSUMPTION OF EG25-G MODULE ........................................................... 78
TABLE 36: RF OUTPUT POWER ..................................................................................................................... 79
TABLE 37: EG25-G CONDUCTED RF RECEIVING SENSITIVITY ................................................................. 79
TABLE 38: ELECTROSTATICS DISCHARGE CHARACTERISTICS (25ºC, 45% RELATIVE HUMIDITY) ...... 81
TABLE 39: RECOMMENDED THERMAL PROFILE PARAMETERS ............................................................... 89
TABLE 40: RELATED DOCUMENTS ................................................................................................................ 92
TABLE 41: TERMS AND ABBREVIATIONS ...................................................................................................... 92