GPS antenna

[Tooned In]

I have an older gps antenna that I bought from livorsi years ago.batteries need replaced and I believe I heard that its cheaper to replace? its a model gm-44-fb. any cross references or help would be great.thanks

[captbkoch]

This should get you sorted. http://www.internationalmarineservice.com/Digital-Yacht-GPS150-DualNav-GPS-Sensor-p/dig-zdiggps150.html