Certain models may not support both GPS and GLONASS at the same time. Please refer to your device’s specifications for more detail.
List of supported NMEA 0183 message types:
$GPGSV (Detailed satellite data for GPS)
$GPGGA (Fix information)
$GPVTG (Vector track and speed over the ground)
$GPRMC (Recommended minimum data for GPS)
$GPGSA (Overall satellite data for GPS)
$GLGSV (Detailed satellite data for GLONASS)
$GNGNS (Time, position, and fixed related data for GLONASS receiver)
$GNGSA (Overall satellite data for GLONASS)
List of supported TAIP message types:
PV (Position/Velocity Solution)
CP (Compact Position System)