GNSS Module
L76 EVB User Guide
L76_EVB_User Guide Confidential / Released 13 / 25
For choice of external antenna, both of active antenna and passive antenna can be selected. Please note
the LNA is installed in the EVB by default, so you have to move C109 to R112 and R118 to R105, when
you want to remove the LNA for test.
3.4. Switches and Buttons
Figure 8: Switches and Buttons
Table 2: Switches and Buttons
Part
Name
I/O
Description
S1
POWER
I
Control power supply via Micro-USB.
S2
Serial
port
alternation switch
I
QUECTEL EVB supplies two communicative
ways: Micro-USB and UART which are controlled
by switch.
S3
STANDBY
I
The module will enter into standby mode when
switching from OFF to ON, and exit from standby
Quectel
Confidential
