Quectel M20

M20 EVB User Guide
Figure Index
FIGURE 1: EVB TOP VIEW...................................................................................................................8
FIGURE 2: EVB BOTTOM VIEW..........................................................................................................9
FIGURE 3: ACCESSORY INTRODUCTION.......................................................................................10
FIGURE 4: POWER INTERFACE........................................................................................................ 11
FIGURE 5: AUDIO INTERFACE .........................................................................................................12
FIGURE 6: SIM CARD INTERFACE...................................................................................................13
FIGURE 7: RF INTERFACE .................................................................................................................14
FIGURE 8: ANTENNA INSTALLATION.............................................................................................14
FIGURE 9: SERIAL PORT 0& SERIAL PORT 1 .................................................................................15
FIGURE 10: SWITCHES AND BUTTONS..........................................................................................16
FIGURE 11: OPERATING STATUS INDICATION LED.....................................................................17
FIGURE 12: TEST POINTS OVERVIEW ............................................................................................18
FIGURE 13: J1 TEST POINTS..............................................................................................................19
FIGURE 14: J2 TEST POINTS..............................................................................................................20
FIGURE 15: J3 TEST POINTS..............................................................................................................21
FIGURE 16: VDD_EXT AND VBAT TEST POINTS ..........................................................................22
FIGURE 17: EVB AND ACCESSORIES..............................................................................................23
FIGURE 18: BOLTS TO SUPPORT EVB .............................................................................................23
FIGURE 19: SWITCHES STATE FOR FIRMWARE UPGRADE........................................................25
FIGURE 20: B2B CONNECTOR OF EVB ...........................................................................................26
M20_EVB_UGD_V1.01 - 4 -
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