Name: Quectel M20
Brand: Quectel
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M20 EVB User Guide

Table Index

TABLE 1: RELATED DOCUMENTS.....................................................................................................6

TABLE 2: PIN OF POWER INTERFACE ............................................................................................11

TABLE 3: PINS OF AUDIO CHANNEL 1 ...........................................................................................12

TABLE 4: PINS OF AUDIO CHANNEL 2 ...........................................................................................12

TABLE 5: PINS OF SIM CARD INTERFACE .....................................................................................13

TABLE 6: PINS OF SERIAL PORT 0 ...................................................................................................15

TABLE 7: PINS OF SERIAL PORT 1 ...................................................................................................15

TABLE 8: SWITCHES AND BUTTONS..............................................................................................16

TABLE 9: OPERATING STATUS INDICATION LED ........................................................................17

TABLE 10: PINS OF J1 .........................................................................................................................19

TABLE 11: PINS OF J2 .........................................................................................................................20

TABLE 12: PINS OF J3 .........................................................................................................................21

TABLE 13: PIN DEFINITION OF B2B CONNECTOR.......................................................................26

M20_EVB_UGD_V1.01 - 3 -

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Quectel M20 User Manual

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