Thread: Hummingbird 343C Sonar
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Old 09-10-2012, 07:46 PM   #6
mtnbykr2
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Quote:
Originally Posted by Jimmyz123 View Post
Can this unit be upgraded to GPS? I know some of the Humminbird units have the ability to upgrade to GPS.
I dont think, the 343 was upgradable, but having upgraded a 718 I wouldn't recomend it...
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