Data Sheet
GPS Module
L80 GPS Protocol Specification
L80_GPS_Protocol_Specification Confidential / Released 17 / 41
PMTK
MTK proprietary message
Packet type
010
Message
System message
‘0’ = unknown
‘1’ = startup
‘2’ = notification for the host aiding EPO
‘3’ = notification for the transition to normal mode is successfully done
*
End character of data field
Checksum
Hexadecimal checksum
<CR><LF>
Each of message
3.2. Packet Type: 011 PMTK_TXT_MSG
This message is used to automatically output system messages by GPS module.
Example:
$PMTK011,MTKGPS*08<CR><LF>
Field
Description
$
Each NMEA message starts with ‘$’
PMTK
MTK proprietary message
Packet type
011
Message
MTKGPS
*
End character of data field
Checksum
Hexadecimal checksum
<CR><LF>
Each of message
Quectel
Confidential