Quectel LTE OPEN EVB User Manual

LTE Module Series
LTE OPEN EVB User Guide
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The figure and table below illustrate the pin assignment and pin definition of handset interface J0801.
1
2
3
4
Figure 21: Pin Assignment of J0801
Table 9: Pin Definition of J0801
4.6. U(SIM) Interface (J0901)
LTE OPEN EVB has two 6-pin push-push type U(SIM) card (3.0V or 1.8V) connectors J0901 and J0902,
and J0902 is reserved for future use. The following figure shows the simplified interface schematic for
J0901.
Pin No.
Pin Name
Function
1
MICN
Negative microphone input
2
SPKN
Negative loudspeaker output
3
SPKP
Positive loudspeaker output
4
MICP
Positive microphone input

Quectel LTE OPEN EVB Specifications

General

Brand	Quectel
Model	LTE OPEN EVB
Category	Control Unit
Language	English