Lowrance Hook-7 Sonar/GPS Mid/High Downscan Navionics Fishfinder

Lowrance Hook-7

Lowrance Hook-7 Sonar GPS Mid/High Downscan Navionics Fishfinder

Lowrance Hook-7 Sonar GPS offers brilliant and high resolution images on its colored 7 inch screen display. This allows for incredible viewing of fish and other objects. This model comes inclusive of an internal GPS antenna that has 16 channels which provides a fisherman with accurate readings. To make it even better, the GPS refreshes after ever second meaning you will have on-time reads at any time. Lowrance Hook-7 Sonar/GPS is also inclusive of waypoints and route functions – it can store up to 3,000 waypoints and up to 100 routes with 100 waypoints per each route. If you wish to share your routes and trails, this can be easily achieved by simply connecting your device via NMEA 0183 or back up data on a micro SD card.

Lowrance Hook-7 Sonar/GPS offers two types of sonar namely 2D CHIRP and Downscan. Keep in mind that this model does not use Sidescan. This transducer is capable of 4 distinctive frequencies – this means that you can use two sonar beams mentioned above. HOOK-7 utilizes Advanced Signal Processing that monitors noise such as water conditions, boat bumps, or even engine ignition. These noises are then filtered out meaning you do not have to listen to meaningless clutter.


As you can see, Lowrance Hook-7 Sonar/GPS is armed with incredible features including

Display: 7 inch screen monitor offering 800H x 480V pixel matrix

CHIRP: 2D CHIRP and Downscan

Depth Capacity: Can reach depth density of 1,000 ft (305M0 for CHIRP sonar and 300 ft (91 m) for Downscan

Frequency Range: Has an impressive frequency and coverage ratios – 200 kHz / 83 kHz for standard CHIRP, 455 kHz for Downscan

No of Channels: GPS has 16 channels

Inclusive of routes, waypoints, and tracks


Lowrance Hook-7 SonarGPS features a 16-bit color TFT display that is inclusive of backlight for quality imaging of both sonar and maps. As mentioned earlier, you’ll have plenty of screen space thanks to its 800 x 480 pixel matrix. This model is waterproof meaning you need not worry about it getting wet (this is quite advantageous as you do not want to be working with a unit that can stop working if water enters your boat or if it starts to rain.) Your unit will hold its own when immersed up to 1 meter deep in water – it can last up to 30 minutes in fresh water thanks to its waterproof coating. This unit works with just about any 12V battery.


A user will be able to view up to 3 applications on the screen - you will be able to vie your charts, the Downscan sonar, and even the 2D sonar beam on your screen simultaneously. Lowrance Hook-7 SonarGPS is fairly easy to install and just as easy to use. It is compatible with superior maps such as nautic Insight PRO, or even Lake Insight. Some other functions included are A-Scope, Bottom Lock, Fish ID, and so much more.


  • It is waterproof and stops working during rain.
  • Noise filtered by using noise limiter circuits.


  • New users may face some difficulties during first time use.
  • Instructional manual is not so good


Q. What about the color of this model?

A. Lowrance Hook-7 has great color and 16 bit color TFT display

Q. How many routes and waypoints it can store?

A. It can store up to 3,000 waypoints and up to 100 routes with 100 waypoints per each route.

Conclusion - Lowrance Hook-7

Keep in mind that it comes inclusive of HDI transducer system. HOOK 7 is a decent device to use on freshwater as well as deep water. However, please note that it does not come inclusive of a unit cover and you’ll have to add an extra fee for it. Also, the Base map charts offer minimal details. Some past users have had some difficulties mastering how to use it – the good news is that there is a lot of free information available online that you can use to learn how to operate and read your screen. This medium sized device will increase your fish finding rate thanks to its CHIRP 2D and DownScan features that do not disappoint. Overall, Lowrance Hook-7 SonarGPS is a good companion for all fishermen and it’ll definitely be able to weather any storm or rains. Plus, it comes backed with a 1 year warranty.

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