HELIX G2N SI models are showing new xducers ...
XM 14 20 MSI T for HELIX 12 SI G2N ...
http://www.humminbird.com/Products/H...GA-SI-GPS-G2N/
XM 9 20 MSI T for HELIX 10 SI G2N and HELIX 9 SI G2N ...
http://www.humminbird.com/Products/H...GA-SI-GPS-G2N/
I can't find much specs yet ... except this ...
CHIRP/Side Imaging/Down Imaging/DualBeam PLUS
455kHz Side Imaging provides 800 ft of side to side coverage.
455kHz Down Imaging works to a depth of 400 feet.
1.2 MHz Side Imaging provides 250 feet of side to side coverage.
1.2 MHz Down Imaging works to a depth of 125 feet
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All 3 sizes HELIX DI G2N still listing XNT 9 DI T ...
All 3 sizes HELIX Sonar G2N still listing XNT 9 20 T ...
Rickie