Yes sir ... With a possible limitation caveat ...
HELIX g1 units cannot get any Sonar from any HELIX G2N (or HELIX G3N) without first shutting off CHIRP in the G2N (or G3N) ...
And MEGA (1200kHz) cannot be shared to any HELIX g1 ...
HELIX G2N and G3N have no limitations in sharing ...
Rickie