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Best Fish Finder GPS Combo Reviews and Buying Guide 2018

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Do you love fishing? Then you must know how much effort and patience you have to put into the process. But today, there is no need to rely on the old-school methods of fishing or, simply put, just looking for a fish and trying to catch the sounds of the slightest movement. With the opportunities provided by modern technology, catching fish is as easy as it has never been yet. And that piece of modern tech is called a fish finder with GPS. But how do you find the best fish finder GPS combo?

Today, we will try to give the most comprehensive answer to that question. We are going to review 10 great models of fish finder GPS combos! But we know very well that just a big list of good products won’t be enough to make the best choice, so we are going to present you with our fish finder buying guide. Besides, we will give answers to some of the most popular questions to help you with getting a better idea of what you will need.

Enough words! Make yourself comfortable so not a single detail slips your attention. Let’s get started with our review of 10 best fish finder GPS combos!

Comparison of 10 Best Fish Finder GPS Combo in 2017

ModelDisplayPreinstalled MapsMax DepthSD Card Slot
Garmin Striker 4 3.5 inch No 1600ft freshwater/750ft saltwater No
Humminbird 698ci 5 inch Yes 100ft (SI/DI), 1500ft No
Humminbird HELIX 5 CHIRP 5 inch Yes 1500ft Yes
Lowrance Hook-4 4 inch Yes No official data Yes
Humminbird 959ci 8 inch Yes 1500ft & 3000ft Yes/dual
Raymarine Dragonfly 4 Pro 4.3 inch Yes 600ft & 900ft Yes
Humminbird Helix 5 5 inch Yes 1500ft Yes
Humminbird Helix 7 7 inch Yes 1500ft Yes
Lowrance Elite-4 HDI 4.3 inch Yes DownScan Imaging (455/800 kHz) – 300ftBroadband Sounder (83/200 kHz) – 750ftOptional - Broadband Sounder (50/200 kHz) – 2000ft Yes
Garmin CHIRP SV73 7 inch Yes 2300ft freshwater/1100ft saltwater Yes

Ten Best Fish Finder GPS Combo Reviews

Garmin Striker 4 Built-in GPS Fish Finder

The first device on our review of Best Fish Finder GPS Combos is a model by Garmin. It is more of a compact unit, which will be great if you don’t want a bulky fish finder.

This model has a CHIRP sonar transducer, which works at 77/200 kHz and 200W RMS/1600W peak-to-peak. Instead of just using one frequency, the transducer sends signals of frequencies ranging from low to high, which are then individually interpreted upon return. That means that with this fish finder, you will get more accurate results and target separation at a variety of depths.

The GPS capabilities of Garmin’s fish finder are great as well. With the inbuilt GPS, you can check your speed on the 3.5-inch screen of the device. Although it is a great tool for measuring the speed of your boat, there have been some complaints on the consistency of the speed measurements.

Another nice addition to the fish finder and its GPS system is that you can mark waypoints on your map. The GPS will allow you to see your boat’s position in relation to your waypoints.

This portable and compact fish finder is a great choice if you want something small on your trips. It will be safe as well as it features a sealed rechargeable battery. But some users have complained about the waterproof qualities of the display and the keypad. Keep in mind that fact.

Read related: Garmin striker 4 portable review

Pros:

  • This compact fish finder measures 3.6” x 5.9” x 1.6”.
  • Multi-frequency sonar transducer.
  • Balanced detail on a variety of depths.
  • Precise GPS system plus waypoints to check your speed and position.

Cons:

  • Complaints on the consistency of the speed data of the GPS.
  • Complaints on the water resistance of the display and the keypad.

Click Here to Check Customer Reviews on Amazon

 

Humminbird 698ci HD SI Internal GPS/Sonar Combo Fishfinder with Side Imaging (Black)

Best fish finder gps comboHummingbird’s 698ci is a model for those who want to have something bigger. Its 640 x 480 5-inch VGA display will be able to make things more clear for you!

698ci delivers great detail in both shallow water and in up to 1500ft of depth! That’s possible thanks to the dual-beam sonar transducer working at 200/50 kHz and 500W RMS/4000W PTP. It shows temperature as well! Another nice feature of this fish finder is its side/bottom imaging combo, which can greatly help you with seeing your surroundings.

With 698ci, you can set waypoints as well. Paired with the GPS capabilities, you will be able to precisely know your position and speed in relation to the waypoints to mark on the map. Speaking of maps, you can upload your maps to this fish finder via your SD card.

698ci has a few drawbacks as well. Its users have complained about the Fish ID and the bugs with the fish icons on the screen. Besides, the GPS connectivity seems to be faulty, but once it is established, you will get precise results. Another issue is the number of elements on the relatively small display, which negate its bigger size. Lastly, there have been complaints about the quality of the side imaging. But overall, this is a nice and precise model to go fishing with.

Pros:

  • Big 256-color 5-inch VGA display.
  • Dual-beam sonar delivers detailed results at depths of up to 1500ft!
  • Precise GPS and maps with waypoint capability.
  • Built-in Unimap with US water bodies.
  • You can upload map expansion packs via an SD card.
  • Side and bottom view.

Cons:

  • Issues with GPS connectivity.
  • Moderate-quality side imaging.
  • Issues with Fish ID.

Click Here to Check Customer Reviews on Amazon

 

 

Humminbird 410210-1 HELIX 5 CHIRP GPS G2 Fish Finder

The next fish finder on our review of best fish finder GPS combos is another high-performance model by Humminbird. It is a fresh model and a nice alternative to the previous Humminbird’s model.

The included sonar transducer works at 83 kHz, 75-95 kHz, and 175-225 kHz. Paired with the 4000W PTP output, this fish finder’s transducer is capable of showing detailed image of the water of up to 1500ft of depth.

With GPS connectivity, HELIX 5 doesn’t have such issues like 698ci. Yes, its connectivity can be a little bit slow, but it delivers exceptional precision and speed data. Combine that with the waypoint setting capability of HELIX 5, and you get a pretty accurate fish finder! By the way, you can save your waypoints to your SD card as well as upload expansion maps to the fish finder!

The 800 x 480 5-inch display is more high-quality than 698ci’s. It shows detailed picture of what is going on under your boat. If you can afford paying for this fish finder, it certainly is one of the best picks for its price!

Overall, HELIX 5 is a great choice if you like Humminbird but didn’t like 698ci.

Pros:

  • Big clear-view 5-inch display with 256 colors.
  • Multi-frequency sonar transducer with 4000W PTP output will show a clear and detailed picture at depths of up to 1500ft.
  • Precise GPS capabilities.
  • Built-in maps of US water bodies.
  • You can set your own waypoints as well as save them to your SD card.
  • You can add expansion map packs to this fish finder!

Cons:

  • Connects to GPS satellites not as fast, but delivers high-quality results once operating.

 

Click Here to Check Customer Reviews On Amazon

 

Lowrance Hook-4 Sonar/GPS Mid/High/Downscan Fishfinder

Next on our list of best fish finder GPS combos is Hook-4 fish finder by Lowrance. This model is a great choice for those looking for functionality!

Hook-4’s transducer operates at 455/800 & 83/200 kHz and up to 500W RMS, which delivers outstandingly detailed images of the water beneath your boat. Another great feature is that you can save the sonar-scanned areas and then review the data to see structure, transitions of fish targets, as well as pinpoint important locations.

The highly-accurate inbuilt GPS antenna is paired with a detailed US map with more than 3000 lakes and rivers as well as coastal contours. If you find that you are not satisfied with the preinstalled maps, you can always use custom maps created from your sonar logs. In addition, you can purchase expansion maps like Navionics Gold if you want to have maps of the territories outside the US.

The high-quality and clear 4-inch color display will allow you to easily see what’s going on below your boat. You can choose the display layout from the built-in preset choices, including a three-panel view. Besides, you can choose between metric and imperial measurement units. The only bad thing about this display is that its size may be too small for some people.

By the way, you can choose your language from the 30 available by downloading a regional pack.

Hook-4 has received especially favorable reviews! While it indeed is a great fish finder, there have been some complaints on the clearness of the instructions and the durability of the transducer. But this model definitely deserves your attention!

Pros:

  • 455/800 & 83/200-kHz, 500W RMS transducer for detailed results.
  • Accurate GPS antenna.
  • Preinstalled basic maps of US rivers, lakes, and coastal contours.
  • You can create custom maps from your sonar logs.
  • A variety of available map packs.
  • Quality 4-inch display with preset page layouts.
  • 30 languages available in language packs.

Cons:

  • Smaller display.
  • Complaints on the clarity of the instruction and the durability of the transducer.
  • The preinstalled maps do not offer too much detail.

 

Click Here to Check Customer Reviews On Amazon

 

Humminbird 959ci HD GPS/Sonar Chartplotter Fishfinder Combo

Sonar Chartplotter Fishfinder ComboMeet Humminbird’s 959ci! This truly is a model delivering outstanding levels of performance!

Its powerful dual-beam 200/83/50 kHz transducer boasts 1000W RMS and 8000W PTP power output! This allows 959ci to deliver images with up to 2.5-inch separation on depths of up to 3000 ft.! You can use the narrow beam when you want depth and the wider beam if you wish to go for the larger area. These make this fish finder a dream of the most skilled fishers out there!

The inbuilt GPS of 959ci features precision in both location and speed measurement. Unlike more affordable fish finders by Humminbird, this model’s GPS module works perfectly uninterruptedly!

The most notable feature of 959ci is its huge 8-inch 480×800 high-res display. If you do not want your fish finder’s interface to be kind of piled up, this model will be an ideal choice for you! The UI elements are visible much better with 959ci! Most importantly, the display shows info on time, temperature, depth, speed, and more.

You can use the 5-port Ethernet to link together multiple Humminbird head units and share transducers. Besides, Ethernet connection allows you to isolate your sweep and see all around you with 5 preset views.

You can get a wide range of accessories for 959ci, including HD radar, heading sensor GPS, external GPS receiver, and much more to make your fishing much more convenient!

Pros:

  • A great choice for those fishers looking for something functional!
  • The dual-beam transducer provides detailed results on up to 3000ft of depth.
  • Precise and reliable inbuilt GPS module.
  • Built-in ContourXD cartography with over 3000 US lakes with depth contours.
  • 8-inch high-resolution display won’t allow the UI to look overloaded.
  • Dual SD card slots.
  • Huge variety of additional software and accessories.

Cons:

  • The complete beauty of this fish finder cannot be uncovered without its accessories and additional software.
  • The built-in maps don’t cover rivers and coastlines.

 

Click Here To Check Customer Reviews on Amazon

 

Raymarine Dragonfly 4 Pro Navionics+ Dual Channel Sonar/GPS

The next fish finder on our review of best fish finder GPS combos is Dragonfly 4 Pro by Raymarine, which is one of the best products of the company! Its most notable feature is its computer and smartphone connectivity, but let us start with basics first.

Its dual-channel transducer with wide-spectrum CHIRP DownVision sonar and a conventional sonar channel delivers photo-like images and targets fish at depths of up to 900ft. Some may say that it is not that much, but sometimes, it is better to have detail rather than focus on max depth, isn’t it?

The GPS and cartography of Dragonfly 4 Pro are pretty noteworthy as well. The accurate GPS combined with detailed preinstalled maps of US lakes, rivers, and coastal maps will allow you to spend little to no time and money on uploading expansion map packs to the fish finder.

While the 480 x 272 4.3-inch WQVGA 16:9 display may seem too tiny, Dragonfly 4 Pro’s well-designed user interface will greatly help you with both seeing such data as temperature, speed, and depth and keeping an eye on your surroundings.

But most importantly, this fish finder boasts smartphone connectivity via Raymarine’s Wi-Fish mobile app, which is compatible with both iOS and Android. You can review sonar data on multiple smartphones and tablets independently from what’s viewed on the fish finder itself. More flexibility during your fishing!

Besides, you can generate up-to-date bathymetric charts on the fly with either your fish finder or the mobile app via the Navionics Sonar Chart Live app!

Pros:

  • The dual-channel transducer provides photo-quality images and targets fish.
  • The accurate GPS is paired with preinstalled US maps of rivers, lakes, and coastal areas.
  • 3-inch display with convenient UI.
  • Great features of smartphone compatibility!

Cons:

  • Small display.
  • Only 900ft. of max depth.

 

Click Here To Check Customer Reviews on Amazon

 

Humminbird 409610-1 Helix 5 Fish Finder with GPS

Yet another high-performance model by Humminbird. But what’s the difference between this Helix 5 and the previous one we reviewed? This one is much better!

This Helix 5 features a dual-beam sonar transducer operating at 200/83 kHz and 500W RMS & 4000W PTP. Thanks to those, Helix 5 is capable of providing you both high-detail images on large area and depth of up to 1500ft with up to 2.5 inches of target separation.

The onboard GPS will deliver accurate location and speed data. Besides, Helix 5 features inbuilt Unimap Cartography covering the coastline, lakes, and rivers of the contiguous US at 30 meters per pixel resolution. Although preinstalled maps can really come in handy, there have been some complaints on the quality of the Helix 5’s cartography. But you can compensate for that with Lake Master charts, including Auto Chart and Navionics Gold/Hot Maps, which can cost you some serious money.

The fairly big 800 x 480 5-inch display completes the high quality of the sonar data, allowing you to precisely know what’s going on around and below your boat. Sure, the display isn’t huge, but it is much better than tiny 4-inch units. The display will show your speed, temperature, time, location, and, of course, your surroundings!

Although Helix 5 is a great fish finder, there is quite a significant drawback in regard to its manual. It comes in the digital form on a CD! While CD’s are not a problem generally, having your laptop with you on the boat will probably be greatly inconvenient. Otherwise, Helix 5 is another model on our review of best fish finder GPS combos, which is worthy of your attention.

Pros:

  • Dual-beam sonar transducer offers quality data on both large area and depth.
  • Accurate onboard GPS completed by the Unimap Cartography.
  • Quite convenient and big 5-inch display.
  • MicroSD compatible.

Cons:

  • Complaints on the Unimap Cartography’s quality.
  • No printed user manual.
  • If you absolutely need high-quality maps, you may need to expand your budget to get LakeMaster charts.

 

Click Here To Check Customer Reviews on Amazon

 

 

Humminbird 409820-1 Helix 7 Fishfinder/GPS with Dual Beam Plus Sonar

Liked Helix 5, but want something bigger? Take a look at Helix 7, another performance fish finder by Humminbird!

Helix 7 is pretty much identical to Helix 5. Its sonar transducer operates at the same 200/83 kHz and 500W RMS & 4000W PTP. The dual-beam technology will allow you to direct a narrow sweep of frequencies to a depth of up to 1500ft as well as cover larger areas with a wider beam.

Helix 7’s GPS module features the same level of accuracy as Helix 5. Besides, this fish finder comes with Unimap Cartography with the maps of the coastline, rivers, and lakes of the contiguous United States. Just keep in mind that you may become unsatisfied with the preinstalled maps, just like in the case of Helix 5.

The most noticeable difference between this and previous model is Helix 7’s much bigger display. Although 5 inches is pretty enough to prevent UI from becoming overloaded, the 7-inch 800 x 480 color display of Helix 7 will deliver a much higher level of convenience. If you just can’t stand small displays, this fish finder may be the best choice for you.

Unfortunately, this model has the same issues with its manual, which comes on a CD. This may be the only serious drawback of Helix 7.

Pros:

  • The dual-beam 200/83 kHz transducer works great both on large areas and depth.
  • Accurate GPS system.
  • Preinstalled Unimap Cartography.
  • Big 7-inch high-quality display.

Cons:

  • Helix 7 shares its downsides with Helix 5.

 

Click Here To Check Customer Reviews on Amazon

 

Lowrance ELITE-4 HDI Combo Plotter/Fishfinder without Transducer

lowrance mark 4 reviewRemember Hook-4 by Lowrance we reviewed a little bit earlier? This is a nice alternative to it if there was something unsatisfying about Hook-4 for you. Elite-4 has the same features and even more!

It boasts award-winning technologies to provide you with the best possible image of what’s beneath your boat. Elite-4’s sonar transducer working at 200/83 kHz & 800/455 kHz and 500W RMS will deliver detailed recordings on both large area and depth.

The GPS and cartography capabilities of Elite-4 should be mentioned as well. The preinstalled US maps of inland lakes, rivers, and coastal areas feature a great level of detail. But what’s even better is that you can create custom maps based on your sonar data! Speaking of your sonar records, you can view structure, transitions of fish targets, and then set waypoints.

Additionally, you can upgrade your charts with Lake Insight and Nautic Insight Pro and HD, Navionics Gold, HotMaps Premium, Fishing Hotspots Pro, and Jepessen C-map Max-N.

The HD 4.3-inch color display of this fish finder has 70% more pixels and 36% more usable screen area compared to old-gen Elite-4 series displays. The traditional keypad under the display is replaced by a quick page selector menu for easy access to all features. In addition, you can choose between preset page layouts, including the three-panel view.

Although the page selector saves space and is fairly easy to use, the absence of traditional keypad makes the process of typing names of the waypoints and alike quite time-intensive and frustrating.

Pros:

  • Great precision on large areas and deep water thanks to the accurate sonar transducer.
  • Precise GPS and preinstalled cartography.
  • You can create custom maps with your own sonar data.
  • Quality and high-res 4.3-inch display.
  • Quick page selector instead of a keypad.

Cons:

  • Small display.
  • The absence of a keypad makes typing on Elite-4 quite complicated.

 

Click Here To Check Customer Reviews On Amazon

 

Garmin 010-01802-01 Echomap Chirp 73SV with transducer

The last fish finder on our review of best fish finder GPS combos is CHIRP 73SV by Garmin. This may be the most interesting model on the list, and you will now see why!

Its out-of-the-box sonar transducer supports 200/77/50 kHz and operates at 500W RMS & 4000W PTP. You will get outstandingly detailed images on either depth and large area. At 77 kHz, 73SV spots fish at 2300 ft. in freshwater and 1100 ft. in saltwater.

The GPS module of 73SV is one of the best in its class. The 5 Hz GPS updates position 5 times per second to help you with accurately marking and returning to your waypoints. Speaking of waypoints, you can now transfer them, tracks, and frequently used routes stored on another manufacturer’s or Garmin’s GPS product to your Garmin chart plotter via GPX software formatting.

This 73SV comes with Preloaded LakeVü HD Maps, which include over 17,000 US lakes, rivers, and water reservoirs. LakeVü HD also shows you designated fishing areas, bridges, docks, boat ramps, and much more!

Worried about the display? 73SV features an 800 x 480 color 7-inch display, which will allow you to keep track of every detail on the area map! It will provide you with data on temperature, time, depth, and alike.

As for the downsides, there is nothing really worthy of pinpointing. Overall, 73SV is a great choice for those fishers who want to buy an advanced fish finder!

Pros:

  • Accurate sonar transducer offers detailed results.
  • One of the best in class GPS modules.
  • You can transfer your waypoints, tracks, and frequently used routes to your Garmin chartplotter.
  • Preloaded LakeVü HD Maps with more than 17,000 US lakes, rivers, and reservoirs.
  • Convenient hi-res 7-inch display.

Cons:

  • Complaints on the compatibility of different Garmin products.

 

Click Here To Check Customer Reviews On Amazon

 

 

HUMMINBIRD HELIX 9 SONAR GPS FISHFINDER


Helix 9 is without trouble the best fish finder with GPS that you will certainly discover in the marketplace. The gadget is made to offer you specific position as well as the bright picture. The device is seen you where fish are as well as how wide they remain in the water. Helix 9 could quickly identify fish and also various other sea bodies.

The brand-new Hummingbird helix 9 fish finder includes a new measurement of how traditional fish finders work and run. Extra awesome technological functions have actually been contributed to make certain that your fishing tour is more effective and attractive.

Furnished with Ethernet networking abilities, the gadget could get in touch with your smart-phone as well as a laptop. Collected information by this device is quickly sent to your complementary tools for analysis as well as storage space.

The tool has exceptional navigating functions. With the device available, you could set out in unknown waters without concern of shedding instructions. The gadget has an integrated Hummingbird Contour XD maps that been available in helpful to assist you to your location.

The Humminbird Helix 9 fish finder has a 9 inch LED display screen. It gives super clear pictures that are conveniently readable in the shiny daytime. It is easily installed on the angling ship and vessel because the gadget has to place mounting structures, and also you could easily get data as well as information.

The gadget likewise has optional 50 kHz transducers.This transducer could be made use of for deep water angling and also navigation. If you are seeking a high-quality best fish finder with GPS, at an affordable rate, this item will be best for you.

 

Pros:

  • A vast screen with a superb resolution
  • The complete collection of supporting components plus mounting structures
  • Ethernet networking ability
  • The software program running the gadget is upgradable
  • Integrated GPS with Contour XD map
  • Easy to install. The bright screen even in the sunlight.
  • SD card slot
  • 3 programmable buttons

 

Cons:

  • Depend on avionics charts for regional data
  • Limited charts installed in the fish finder
  • The rate of this unit is disheartened to some people, specifically those that do unknown the advantages of the best fish finder
  • This unit does not support down imaging

 

Click Here To Check Customer Reviews On Amazon

 

GPS Combo Fish Finder Buying Guide!

Now, you have 10 best fish finder GPS combo models. But is that enough to find the rightest model? Probably, no. If you don’t know what to look for, you risk ending up buying a device that is either an overkill or is just not enough.

To prevent such mistakes, you need to know what to look for and, most importantly, how your needs will impact your final choice. Let us present you with the basic features of fish finders you will need to account for.

Transducer

Usually, fish finders come with a default transducer. Those are the devices that send beams into the water and then receive the reflected signal to display objects in the water and their location. Without a transducer, a fish finder has no use.

Default transducers come with decent capabilities and buying a more powerful model may be unnecessary. But if you need more depth or detail, getting a better sonar transducer will be necessary. There are a number of things which you will need to know about before buying a fish finder with the transducer or looking for a separate one.

The features that we will cover more in-depth are power and frequency, the basic and most important characteristics of transducers.

If you want your fish finder to display data on temperature, look for an appropriate transducer.

The method of mounting of the transducer is crucial as well. Mostly, transducers are mounted on the transom (back) of the boat away from the motor, but it should make good contact with water. This is the best solution for smaller fishing boats (25ft or less).

In-hull transducers are mounted through an opening in the hull. They are more expensive than mountable transducers. These models are not subject to cavitation caused by the motor and the hull of the boat.

The so-called thru-hull transducers operate, as the name implies, through the hull. They do not come in contact with water and have some serious drawbacks like an inability to read water temperature. Besides, the material of the fish finder’s housing is important as well. You should choose between bronze and plastic housings. But there are some limitations, for example, you should not use a plastic transducer with wooden hulls as the expansion of the wood can damage the housing, causing a leak.

Frequencies

Modern transducers of fish finders come with either single, dual, or multiple beams. Typically, you will see much more of dual-beam models than single- or multiple. Most of the dual-frequency transducers come with 20 and 60-degree beams/cones. Wider cones can cover much more area, but their drawback is that the signal weakens as it gets closer to a wide cone’s edge. That’s why they work best in shallow water. As for narrow beams, they are capable of penetrating much deeper water and can give you information on the composition of the bottom.

The frequency is a big factor in transducers as well. Mostly, transducers work at 50, 83, 192, or 200 kHz (or all at once). The cone angle is directly related to the operating frequency. The higher the frequency, the more detail you get and the wider the beam is. Usually, frequencies around and above 200 kHz are used in shallow water while 50-83 kHz work best in deeper water.

Power

Power is another crucial factor to consider before buying a fish finder. Usually, power is measured in watts. The higher the wattage, the faster your fish finder can display data and the deeper the readings can be. So if you want a fast and more depth-fitting fish finder, go for a model with higher wattage. Otherwise, a low-wattage model should be pretty enough. The general rule is the shallower the water, the less power you will need.

You will meet two terms for power – RMS and peak to peak (PTP). PTP is eight times RMS. For instance, a fish finder with 1000 RMS would have 8000 PTP. Sometimes, manufacturers feature both in their product descriptions. Some manufacturers can post a power number and not tell you whether it is RMS or PTP. In this case, the number will tell you absolutely nothing. Otherwise, if you know the value of one of them, you can easily find the other number. For example, if a PTP of 4000W is listed only, you will just have to divide it by 8 to find RMS, which is 500W in this case.

Keep in mind that for every 100W RMS at 50 kHz, your fish finder’s depth capability will increase by 400ft. For example, for 300W RMS @ 50 kHz, the device will show readings at 1200ft. At 200 kHz, every 100W will bring 100ft of depth. As for other frequencies like 83, 445/455, and 800 kHz, each 100W will add 240, 45, and 25ft respectively. But the actual depth will be usually higher than what you can calculate.

Screen Resolution & Color vs b/w

This parameter will impact the visibility of the readings directly. The higher the resolution, the higher number of pixels a display has and the clearer the detail will be. You should go for at least 240 x 160, but the actual number will greatly depend on the screen size. For instance, if you have two screens, a 5- and 7-inch, with the same resolution (say, 800 x 480), the larger screen will show a blockier picture. That means that a 240 x 160 8-inch display will have little to no use.

It is definitely worth investing in larger and more hi-res screens. You should go for the biggest screen your budget allows. On bigger screens, the UI elements won’t overload it as much and will allow you to see the data much more clearly. It will be much easier to differentiate between different readings.

Color screens are pretty common in modern fish finders. You still can find b/w models, but you don’t really need one. Go for a b/w fish finder if your budget doesn’t allow you to afford more or you need a backup device.

Modern screens show up to millions of colors, which results in the scanned objects popping out and really standing out on the screen. Objects will be much more differentiated on the screen, and watching your surrounding will be much easier.

Portable vs Mountable

If you are going to fish from your boat primarily, you won’t have any problems with a mountable fish finder. But if you will, for example, do ice fishing, you should find a portable model. You may think that you can just unmount your fixed fish finder and go fishing, but that probably won’t be possible. Unlike fixed models, portable fish finders have their own batteries and carrying cases, which allows them to work autonomously.

Benefit of Buying the Product

Now that you know what fish finders are, let us introduce you to the benefits of those beautiful devices. While you may generally know about the additional convenience of fish finders, you may be unaware of some of their crucial benefits. Let’s examine them!

  • Fish finders are convenient, obviously

No need to rely on just your eyes and ears! Why not use modern technology? Fish finders can pretty effectively locate fish on a variety of depths, which would be quite inconvenient without one. If you want to have a better time fishing, buy a fish finder!

  • Fishfinders provide you with various data on fish

The sonar scan of the water below will allow you to find out the number of fish, their size, their allocation, and more! This will really help you with directing your resources to where they need to be.

  • You can chart your course

With preloaded maps and waypoint setting capability, fish finders can really save your time and help you with finding fish. What could be better than not having to spend hours on memorizing and scanning your surroundings?

Even if your fish finder doesn’t have preloaded maps, you can do that yourself with the majority of the modern models by setting waypoints.

  • You can save locations

This benefit is somewhat related to the previous one. During your fishing, you can save the sonar data of the area for your future trips. Then, you will only have to use the GPS to get back to the exact point you need.

  • You will know the water depth 

If you know that the local fish tends to be attracted for deeper areas or underwater shelves, the depth finder of your fish finder will allow you to not dive into the water to measure the depth. This benefit really demonstrates the power of your knowledge of the fish types and the water depth in the area, among other things.

  • Of course, you will get data on water temperature

Among those other things we mentioned is the water temperature. This can and will be exceptionally helpful, just like the depth of the water. You should really use this knowledge to make every fishing trip fruitful.

  • You can go ice fishing!

Ice fishing is a growing trend, which is exceptionally easy with modern fish finders. On the ice, your fish finder will instantly tell you if there is anything below. That way, you will be able to drill a hole where you need!

 

Frequently Asked Questions

So how does the frequency impact the image delivered by the transducer?

The higher the frequency, the more detailed the image gets. Besides, high frequency works better in shallow waters while low frequency is best for depth. The cone angle of the beam is directly related to the frequency as well. The lower the frequency, the narrower the cone is and vice versa.

Which frequency would be the best for me?

The answer will depend on the depth of the water you will be fishing in. As we have already mentioned, high frequency works best in shallow waters. So if you will be fishing in shallow water, you should go for a model with higher frequency (at least 200 kHz). Otherwise, buy a model with a transducer more focused on lower frequencies.

Do I have to use the transducer coming with a fish finder or I can get another one?

It depends on the model of both the fish finder and the transducer. If you are planning to get a fish finder and a separate transducer, check if they are compatible beforehand.

I already have a good transducer from my previous fish finder. Can I use it with another fish finder?

As long as they are compatible, yes.

 

Conclusion

That’s it for our little guide plus review of best fish finder GPS combo. Hopefully, it will be capable of helping you with finding the right model. You should have everything you need to make the final choice!

You have been presented with 10 great fishfinder GPS combo models. Each of them is unique and will find its buyer. But do you remember how and what you should look for when buying a fish finder? Don’t forget that it is an exceptionally important point!

Do you want to unnecessarily spend money on what you don’t need? Or buy a fish finder with insufficient features? To avoid that, you have to know what you need. Want a fish finder with a huge display? You can find such model! Need a model with high frequencies? You can find it as well! Just determine your requirements, and the probability of you making a mistake will be close to zero.

And if your needs coincide with the features of one of the aforementioned products, consider your search completed! Otherwise, just don’t stop looking, and you will surely find the best fish finder GPS combo! We wish you to have a short search and a nice buy!

 

Pickett
 

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