GPS Module Series
L80-R EVB User Guide
L80-R_EVB_User_Guide Confidential / Released 10 / 19
3 Interface Application
3.1. USB Interface
Figure 4: Micro-USB Interface
The main power is supplied via Micro-USB interface. Quectel provides two ways for data communication:
Micro-USB and UART interface which are controlled by serial port alternation switch (S401). Both RS232
and Micro-USB cable are necessary, if you want to use UART to output NEMA. So the easy way is that
use Micro-USB cable which provides both the power and output NEMA. You can make alternation
between UART port and Micro-USB interface via switch (S401).
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