Depends on which 360.
The 360 can be supported by any Humminbird unit that has an Ethernet connection. It is an Ethernet accessory.
The MEGA 360 is only supported by units that have DI+ or SI+ in the name. It has a transducer port connection and uses the two SI circuits.
Both 360's are rotating Side Imaging transducers so they do both 360 and Side Imaging, but not at the same time.
Helix 12 CHIRP MEGA SI+ GPS G3N and G4N, 1198c SI, SOLIX 10 SI G3,
Helix 10 MEGA DI+ GPS G3N, SOLIX 12 SI and G3, MEGA 360, MEGA LIVE, RC-1
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