Product Info

LTE Standard Module Series
EC21_Series_Mini_PCIe_Hardware_Design
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Table Index
Table 1: Special Mark................................................................................................................................................15
Table 2: Description of EC21 Series Mini PCIe....................................................................................................16
Table 3: Key Features of EC21 Series Mini PCIe................................................................................................ 18
Table 4: I/O Parameters Definition..........................................................................................................................22
Table 5: Pin Description............................................................................................................................................22
Table 6: Overview of Operating Modes..................................................................................................................25
Table 7: Pin Definition of VCC_3V3 and GND Pins.............................................................................................26
Table 8: Pin Definition of (U)SIM Interface............................................................................................................27
Table 9: Pin Definition of USB Interface................................................................................................................ 29
Table 10: Pin Definition of Main UART Interface..................................................................................................31
Table 11: Pin Definition of PCM and I2C Interfaces.............................................................................................32
Table 12: Pin Definition of Control and Indication Interfaces............................................................................. 34
Table 13: Airplane Mode Controlled by Hardware Method.................................................................................35
Table 14: Airplane Mode Controlled by Software Method.................................................................................. 36
Table 15: Indications of Network Status (AT+QCFG="ledmode",0, Default Setting).....................................37
Table 16: Indications of Network Status (AT+QCFG="ledmode",2)..................................................................37
Table 17: GNSS Performance................................................................................................................................. 39
Table 18: GNSS Frequency..................................................................................................................................... 40
Table 19: Operating Frequencies............................................................................................................................41
Table 20: Antenna Requirements............................................................................................................................42
Table 21: Power Supply Requirements..................................................................................................................45
Table 22: I/O Requirements..................................................................................................................................... 46
Table 23: Conducted RF Output Power of EC21 Series Mini PCIe.................................................................. 46
Table 24: Conducted RF Receiving Sensitivity of EC21-E Mini PCIe.............................................................. 47
Table 25: Conducted RF Receiving Sensitivity of EC21-A Mini PCIe.............................................................. 48
Table 26: Conducted RF Receiving Sensitivity of EC21-V Mini PCIe.............................................................. 48
Table 27: Conducted RF Receiving Sensitivity of EC21-AUT Mini PCIe.........................................................48
Table 28: Conducted RF Receiving Sensitivity of EC21-AU Mini PCIe........................................................... 49
Table 29: Conducted RF Receiving Sensitivity of EC21-J Mini PCIe...............................................................50
Table 30: Conducted RF Receiving Sensitivity of EC21-KL Mini PCIe............................................................ 50
Table 31: Conducted RF Receiving Sensitivity of EC21-EU Mini PCIe........................................................... 50
Table 32: Conducted RF Receiving Sensitivity of EC21-AUX Mini PCIe.........................................................51
Table 33: Conducted RF Receiving Sensitivity of EC21-EUX Mini PCIe.........................................................52
Table 34: ESD Characteristics of EC21 Series Mini PCIe..................................................................................53
Table 35: Power Consumption of EC21-E Mini PCIe..........................................................................................53
Table 36: Power Consumption of EC21-A Mini PCIe.......................................................................................... 55
Table 37: Power Consumption of EC21-V Mini PCIe..........................................................................................56
Table 38: Power Consumption of EC21-AU Mini PCIe....................................................................................... 56
Table 39: Power Consumption of EC21-J Mini PCIe...........................................................................................59
Table 40: Power Consumption of EC21-KL Mini PCIe........................................................................................60
Table 41: Power Consumption of EC21-EU Mini PCIe....................................................................................... 60