SC872-A
Product User Guide
Message Interface
1VV0301202 Rev. 6
Page 27 of 53
2018-12-21
7 MESSAGE INTERFACE
Serial I/O port (RX and TX pins) supports full duplex communication between the receiver and
the user.
The default serial configuration is: NMEA, 9600 bps, 8 data bits, no parity, 1 stop bit.
More information regarding the software interface can be found in the
Telit MT Software User
Guide.
Customers that have executed a Non-Disclosure Agreement (NDA) with Telit may obtain
the
Telit MT-GNSS Authorized Software User Guide
, which contains additional
proprietary information.
NMEA Output Messages
Some sentences may exceed the NMEA length limitation of 80 characters.
Default: GPS and GLONASS constellations enabled.
Default fix rate: 1 Hz. Maximum rate is 10 Hz.
Note: Multiple GSA and GSV messages may be output on each cycle.
Standard Messages
Message ID Description
RMC
GNSS Recommended minimum navigation data
GGA
GNSS position fix data
GSA
GNSS Dilution of Precision (DOP) and active satellites
GSV
GNSS satellites in view.
Table 7-1 Default NMEA output messages
The following messages can be enabled by command:
Message
Description
GLL
Geographic Position – Latitude & Longitude
VTG
Course Over Ground & Ground Speed
ZDA
Time & Date
Table 7-2 Available Messages
