Quectel M20 Hardware Design page 59

M20 Hardware Design
Table 21: Pin description (Amphenol SIM card holder)
Name Pin
SIM_VDD C1
SIM_RST C2
SIM_CLK C3
GND C5
VPP C6
SIM_DATA C7
For 8-pin SIM card holder, it is recommended to use Molex 91228.Please visit
http://www.molex.com for more information.
Table 22: Pin description (Molex SIM card holder)
Name Pin
SIM_VDD C1
SIM_RST C2
SIM_CLK C3
M20_HD_V1.01
Function
SIM Card Power supply
SIM Card Reset.
SIM Card Clock.
Ground
Not connect.
SIM Card data I/O.
Figure 36 : Molex 91228 SIM card holder
Function
SIM Card Power supply
SIM Card Reset
SIM Card Clock
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