The GNSS module has a dedicated serial port at
/dev/ttymxc2, operating at
9600 baud. You can use a terminal emulator to interact with this device:
root@pureos:~# picocom -b9600 /dev/ttymxc2 $GNRMC,,V,,,,,,,,,,N*4D $GNVTG,,,,,,,,,N*2E
It is also supported by
Modem GPS Module¶
There is an additional GPS module on the SIMCOM modem. This modem is not meant to be used on the final phone. It has been shipped without an an antenna on the development board, making it inoperable.
GNSS on the Phone¶
On the Librem 5 phone itself the GNSS module is accessed via a different serial port. See Testing the GNSS Module for more information.