It comes in two screen sizes—9-inch and 7-inch ... For inshore and small-boat anglers, a great fish finder and powerful GPS without the advanced control features will save a few bucks without ...

GPS frequency: 1575.42 ± 5MHz, Beidou frequency: 1561 ± 5MHz. Compatible with Boat Ship Marine GPS Navigation System Unit Modem Receiver Transducer Explorer Fish finder Sounder. External Marine ...

The narrow screen also helps it stay balanced ... the transducer to take the Helix 9 onto your boat or kayak. Get a powerful sonar and basic GPS on your smartphone. Connect the Deeper Pro ...