SE868Kx-Ax Family Product User Guide
1VV0301201 Rev. 5
Page 33 of 83
2021-07-15
Not Subject to NDA
7.
MESSAGE INTERFACE
Serial I/O port 1 (RX0 & TX0 pins) supports full duplex communication between the
receiver and the user.
The default serial configuration is: NMEA, 9600 bps, 8 data bits, no parity, and 1 stop bit.
More information regarding the software interface can be found in the Telit MT Software
User Guide.
Note: 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
Warning: Some sentences may exceed the NMEA length limitation of
80 characters.
Default: GPS constellation is enabled.
GLONASS is also enabled for SE868-A and SE868K3-Ax modules.
Default fix rate: 1 Hz. Maximum rate is 10 Hz.
Multiple GSA and GSV messages may be output on each cycle.
7.1.1.
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 12: Default NMEA Output Messages
The following messages can be enabled by command:
Message ID
Description
GLL
Geographic Position
–
Latitude & Longitude
VTG
Course Over Ground & Ground Speed
ZDA
Time & Date
Table 13: Available Messages