Data Sheet
GPS Module
L80 GPS Protocol Specification
L80_GPS_Protocol_Specification Confidential / Released 29 / 41
5 - Output once every five position fixes
Example:
$PMTK314,1,1,1,1,1,5,0,0,0,0,0,0,0,0,0,0,0,1,0*2D<CR><LF>
Field
Description
$
Each NMEA message starts with ‘$’
PMTK
MTK proprietary message
Packet type
314
0 GLL
GLL interval - Geographic Position - Latitude longitude
1 RMC
RMC interval - Recommended Minimum Specific GNSS Sentence
2 VTG
VTG interval - Course Over Ground and Ground Speed
3 GGA
GGA interval - GPS Fix Data
4 GSA
GSA interval - GNSS DOPS and Active Satellites
5 GSV
GSV interval - GNSS Satellites in View
6 Reserved
Always 0
7 Reserved
Always 0
8 Reserved
Always 0
9 Reserved
Always 0
10 Reserved
Always 0
11 Reserved
Always 0
12 Reserved
Always 0
13 Reserved
Always 0
14 Reserved
Always 0
15 Reserved
Always 0
16 Reserved
Always 0
17 ZDA
ZDA interval – Time and Date
18 Reserved
Always 0
Quectel
Confidential