Sonic KCS 5200 is the price conscious, long range sonar.
Product characteristics:

• Long range and minimal side lobes.
• Compact bottom equipment and TX/RX in the same unit.
• Best for fishing herring, hake horse mackerel and capelin. General search for shoals of fish.
• Range up to 3-4000 meters. (24KHz)
• Robust transducer and bottom equipment.

Sonic KCS 5200 sonar offers the following improvements over the previous model:

• New control panel.
• Improved ergonomics, features and noise filter.
• Connectivity to wireless trackball mouse.