External GPS/GLONASS antenna for improved satellite reception and navigation accuracy. Designed for marine chartplotters, VHF/AIS, and other compatible GPS devices.

Key Features

Enhances GPS + GLONASS signal reception for better positioning.

Low‑profile, water‑resistant housing for marine use (IPX7).

Three mounting options: surface, pole, or under‑deck.

Includes 32 ft (10 m) cable for flexible installation.

What’s in the Box

GA 38 GPS/GLONASS antenna

Surface, pole & under‑deck mounting brackets

Mounting hardware

Antenna cable (32 ft/10 m)

Installation instructions

Perfect upgrade for better satellite fix and navigation accuracy on boats and compatible Garmin units.