Another question about fish finders

[MRJ]

I think you usually get a lower frequency with a narrower beam and a higher frequency with a broader beam. Maybe in some units it is the same with both, I don't know. All the Matrix units are GPS enabled which means you can connect your existing hand held GPS via adaptor cord to the unit or for $99 +/- you can buy the Humminbird dedicated receiver. Check the Humminbird website for more details. www.humminbird.com
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