Haicom HI-405BT - Manual (Page 21)

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SOFTWARE INTERFACE
This section describes the details of the serial port commands
through which the HI-405BT GPS module is controlled and
monitored. The serial port commands allow users to set the receiver
parameters, configure output message type, and retrieve status
information. The baud rate and protocol of the host COM port must
match the baud rate and protocol of the GPS receiver serial port for
commands and data to be successfully transmitted and received.
The default receiver protocol is 4800bps, 8 data bits, 1 stop bit, and
none parity.
6.2 NMEA OUTPUT MESSAGE SPECIFICATIONS
The HI-405BT supports NMEA-0183 output format as defined by
the National Marine Electronics Association
(http://www.nmea.org). The currently supported NMEA messages
for GPS applications are:
GGA
GLL
GSA
GSV
RMC
VTG Global Positioning System Fix Data
Geographic Position Latitude / Longitude
GNSS DOP and Active Satellites
GNSS Satellites in View
Recommended Minimum Specific GNSS Data
Course Over Ground and Ground Speed