Data Sheet

GPS Module
L80 GPS Protocol Specification
L80_GPS_Protocol_Specification Confidential / Released 33 / 41
3.24. Packet Type: 414 PMTK_API_Q_NMEA_OUTPUT
This message is used to query the current NMEA sentence output frequencies.
Refer to PMTK_API_SET_NMEA_OUTPUT for the frequencies setting.
Refer to PMTK_DT_NMEA_OUTPUT for the result of the query.
Example:
$PMTK414*33<CR><LF>
Field
Description
$
Each NMEA message starts with ‘$’
PMTK
MTK proprietary message
Packet type
414
*
End character of data field
Checksum
Hexadecimal checksum
<CR><LF>
Each of message
3.25. Packet Type: 605 PMTK_Q_RELEASE
This message is used to query the firmware release information.
Refer to PMTK_DT_RELEASE for the result of the query.
Example:
$PMTK605*31<CR><LF>
Field
Description
$
Each NMEA message starts with ‘$’
PMTK
MTK proprietary message
Packet type
605
*
End character of data field
Quectel
Confidential