ISO acknowledgment

ISO address claim

Single-frame proprietary

NMEA^® request group function

PGN's group function

Fast-packet proprietary

Heartbeat

Product information

Configuration information

Radio frequency/mode/power

DSC call information

ISO acknowledgment

ISO request

ISO transport protocol, data transfer

ISO transport protocol, connection management - RTS group function

ISO address claim

Single-frame proprietary

ISO commanded address

NMEA request group function

Fast-packet proprietary

COG and SOG, rapid update

GNSS position data

Datum