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Scuttlebutt · 02-29-2008, 04:28 PM

OK...I just got a Garmin 545s GPS Fishfinder without a transducer....so now I need to choose one (Transom Mount). I typically fish in waters less than 200 ft but on rare occaisions I may go deeper. What is the best choice based on your experience(s)? What is the difference between dual beam and dual frequency?

Here is what they offer...

200/50KHz 12/45 degree
200/50KHz 10/40 degree
200KHz 20 Degree
200KHz 45/15 Degree Dual Beam

Many thanks !

02-29-2008, 04:28 PM	#1
Scuttlebutt Guess what... iTrader: (0) Join Date: Aug 2007 Location: A drinking town with a fishing problem... Posts: 113	Transducers for Dummies....like me OK...I just got a Garmin 545s GPS Fishfinder without a transducer....so now I need to choose one (Transom Mount). I typically fish in waters less than 200 ft but on rare occaisions I may go deeper. What is the best choice based on your experience(s)? What is the difference between dual beam and dual frequency? Here is what they offer... 200/50KHz 12/45 degree 200/50KHz 10/40 degree 200KHz 20 Degree 200KHz 45/15 Degree Dual Beam Many thanks !