SL871 Family Product User Guide
1VV0301170 Rev. 9
Page 36 of 89
2021-07-15
Not Subject to NDA
NMEA Commands List
Note: See Table 4: Power Management - Command Summary for
power management commands.
Command
Description
$PMTK000
Test. This command will be echoed back to the sender
(for testing the communications link).
$PMTK101
Perform a HOT start
$PMTK102
Perform a WARM start
$PMTK103
Perform a COLD start. However, time is preserved.
$PMTK104
Perform a system reset (erasing any stored almanac data) and then a
COLD start
$PMTK120
Erase aiding data stored in flash memory
$PMTK127
Erase EPO data stored in flash memory
$PMTK251, Baudrate
Set NMEA Baud rate
$PMTK313,0
Disable SBAS feature.
$PMTK313,1
Enable SBAS feature
$PMTK353,1,0,0,0,0
Enable GPS only mode
$PMTK353,0,1,0,0,0
Enable GLO only mode
$PMTK353,0,0,0,0,1
Enable BDS only mode
$PMTK353,1,1,0,0,0
Enable GPS and GLO mode
$PMTK353,1,0,0,0,1
Enable GPS and BDS mode
NOTE: Multi-constellation commands are not supported by the SL871-S modules
Table 16: NMEA Input Commands
