Introduction of Fish Finder

Introduction of Fish Finder

Fish finders are electronic products that use the sonar principle to detect underwater information such as water depth, water temperature, fish school depth, underwater environment, etc.

There are two main types of fish finders: sonar fish finders and visual fish finders

Sonar fish finders can be divided into: handheld fish finders, wearable fish finders, smart fish finders, and marine fish finders.

Usually, fish finders are composed of two parts: a receiver and a transmitter. 

The transmitter floats on the water surface and sends sonar signals underwater. After the sonar signal captures the information of the fish, it will be transmitted to the host. The host generates the image of the fish based on the feedback of the sonar signal.

There are two ways to connect the receiver and the transmitter: wireless or wired. 

Wired means that the receiver and the transmitter are connected through a data transmission line, and wireless means that the receiver and the transmitter do not need to be connected through a data line. Wireless uses ultrasonic technology, wireless radio frequency technology, and military radar technology.

There are two display modes for fish finders: graphic or dot matrix.

The graphic type is mainly an entry-level product, and the machine displays the detection, scanning and receiving signals line by line. The dot matrix type is a professional product, and the machine displays the detection, scanning and receiving signals point by point.

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