Quectel RG255C-GL, Проектирование аппаратного обеспечения

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5G Module Series
RG255C-GL_Mini_PCIe_Hardware_Design 7 / 57
Table Index
Table 1: Special Mark .................................................................................................................................. 9
Table 2: Frequency Bands and Functions ................................................................................................ 10
Table 3: Key Features ............................................................................................................................... 11
Table 4: Parameter Definition .................................................................................................................... 14
Table 5: Pin Description ............................................................................................................................ 15
Table 6: Overview of Operating Modes ..................................................................................................... 19
Table 7: Definition of VCC_3V3 and GND Pins ........................................................................................ 21
Table 8: Pin Definition of (U)SIM Interface ................................................................................................ 22
Table 9: Pin Definition of USB Interface .................................................................................................... 24
Table 10: Pin Definition of Main UART ...................................................................................................... 26
Table 11: Pin Definition of PCM and I2C Interfaces .................................................................................. 27
Table 12: Pin Definition of Control and Indication Signals ........................................................................ 29
Table 13: Airplane Mode Controlled by Hardware Method ....................................................................... 30
Table 14: Airplane Mode Controlled by Software Method ......................................................................... 30
Table 15: Indications of Network Status (AT+QCFG="ledmode",0, Default Setting) ................................ 32
Table 16: Indications of Network Status (AT+QCFG="ledmode",2) .......................................................... 32
Table 17: Pin Definition of Antenna Interfaces .......................................................................................... 34
Table 18: Conducted RF Receiving Sensitivity (Unit: dBm)...................................................................... 35
Table 19: Tx Power .................................................................................................................................... 37
Table 20: GNSS Frequency (Unit: MHz) ................................................................................................... 38
Table 21: GNSS Performance ................................................................................................................... 38
Table 22: Power Supply Requirements ..................................................................................................... 43
Table 23: I/O Requirements ...................................................................................................................... 44
Table 24: (U)SIM High/Low-voltage I/O Requirements (Unit: V) .............................................................. 44
Table 25: Electrostatic Discharge Characteristics (Temperature: 25
–30 °C, Humidity: 40 ±5 %) ............ 45
Table 26: Averaged Power Consumption .................................................................................................. 45
Table 27: GNSS Power Consumption ....................................................................................................... 46
Table 28: Related Documents ................................................................................................................... 54
Table 29: Terms and Abbreviations ........................................................................................................... 54