Castaway Product review: kayaking with the impressive Deeper smart sonars

In the fishing game there are not too many products/items you could truly call versatile. Lets face it we need a different rod, lure, reel, line and most times vessel for the different fishing methods we involve ourselves in! Recently I have got my hands on the Deeper Wi-Fi Pro sonar and we have maybe the most versatile sounding unit ever made.

The deeper unit can be attached to a fishing rod and cast over areas you would like to fish and the info comes straight back to your smartphone or tablet. This takes literally half a minute to set up and you can create your own bathymetric maps by putting your sonar in boat mode this is then archived and stored on the smartphone or tablet and you can check it out later for further study.

The unit Castaway has is to be used mainly on our kayaks and believe me after countless times changing transducers and redoing goop jobs the Deeper is a "Godsend".

Firstly the sonar unit is a small tennis ball size and has a few points for securing to whichever method you will need, be it casting or for us on the kayaks. To secure there is a flexible arm mount and you attach your unit to this and bend it so that the bottom of the ball is in the water. The flexible arm clamps onto our Hobie kayaks with ease and is out of the way, also a safety lanyard is incorporated so we don't have a lost arm . All this takes is less than a minute to set up. A fair few thing impressed me with the smartphone app once you have logged in and initialized it is so easy and has so much info you can change the settings to suit the day. Who doesn't like easy to read manuals? this one is great. Also on your sounder page you have weather, maps and a history that records your soundings of each trip plus now there is another app from deeper called Lakebook you can download at This is also simple to use and you can go on your computer and analyse your maps, you will be able to click on any point for depth and gps co-ordinates,plus you have measuring tools for distances and area size and this will really help when you are planning your next fishing trip.

OK some tips obviously you want to secure your phone or tablet. A waterproof case is necessary, especially in the yak. I made up a holder and put my phone on this with no dramas. Make sure both your unit and phone are fully charged as this unit runs off Wi-fi no internet. Yesterday I was on the water for approx 5 hours and had 20 percent battery life in phone when back at ramp, maybe a solar charger on phone would be the go for longer trips. Overall this unit impresses me greatly. Yesterday i managed some Bream and Jew and got a great reading in the deeper 10 to 12m depths that i fished at times. Did I mention also the convenience of no cables, removable in less than a minute and realistically if you do a mixture of shorebased, kayak and even small boat fishing this can be used between all of these. Dam maybe the guys from deeper can come up with a mounting system for the bow mount electric and there is the foredeck sounder sorted. If you haven't checked these out yet think about it and check out what a lot of deeper users have to say about them I think you will get a pleasant surprise! cheers

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