Calypso Nmea Connect Plus User Manual page 8

This model selects the first data stream that comes in (detects a wired data stream
and connects otherwise detects BLE and connects) is the one that stays it to all
output interfaces (NMEA 0183, NMEA 2000, BLE, or WIFI).
The input data will be broadcasted across all output interfaces.
NMEA 0183
NMEA 0183
N0183
Display
BLE
BLE
NCP
Full
NMEA 2000 Backbone
N2k
Display