SonarPhone

SonarPhone
Use patented Wi-Fi technology to turn your iPhone or Android into one of the most reliable and efficient sonar scanning devices on the market. The SonarPhone creates its own Wi-Fi hotspot that you can share with as many people as you wish, or keep it private and secure. No cell service required, and you can use it anywhere in the world. Don't wait for the fish to come to you, find them!