Datasheet

GP-1818MK
5
2.4 Physical Characteristics
Length
18 mm
Width
18 mm
Height
7 mm
2.5 Absolute Maximum Ratings
Parameter
Min
Typ
Max
Unit
Power supply voltage
-0.1
3.3
5
V
3. Software Interface
3.1 NMEA V3.01 Protocol
Its output signal level is TTL: 9600bps (default), 8 bit data, 1 stop bit and no parity.
It supports the following NMEA-0183
Messages: GGA, GLL, GSA, GSV, RMC and VTG.
NMEA Output Messages: the module board outputs the following messages as shown in Table.
Table 1 NMEA-0183 Output Messages
NMEA Record
Description
GGA
Global positoning system fixed data
GLL
Geogrphic position – latitude / longitude
GSA
GNSS DOP and active satellites
GSV
GNSS satellites in view
RMC
Recommended minimum specific GNSS data
VTG
Course over ground and ground speed
3.1.1 GGA-Global Postioning System Fixed Data
Table 2 contains the values of the following example:
$GPGGA, 161229.487, 3723.2475, N, 12158.3416, W, 1, 07, 1.0, 9.0, M, , , ,0000*18
Table 2 GGA Data Format
Name
Example
Units
Description