The Garmin GA™ 38 GPS/GLONASS Antenna, White (010-12017-00) is a low-profile, IPX7 waterproof external antenna designed to deliver precise position data by receiving signals from both GPS and GLONASS satellite constellations. Supplied with a 32 ft (10 m) RG-58 cable featuring a BNC-to-BNC connector, this configuration is engineered for direct connection to compatible Garmin chartplotters, AIS transceivers, and marine displays utilizing standard BNC antenna ports. Constructed with a durable, high-impact white housing, the kit includes versatile mounting hardware for surface, under-fiberglass-deck, or standard 1″ x 14 TPI marine pole mounting to ensure reliable, high-gain signal tracking across all vessel layouts.

In the Box

GA 38
Surface mounting bracket
Pole mounting bracket
Under-deck mounting bracket (white model only)
Mounting hardware
BNC-BNC antenna cable (32 ft/10m)
Installation instructions

Technical Specification

General Specifications

Dimensions (DxH): 3 19/32″ x 1 15/18″ (91.6 mm x 49.5 mm)
Weight: 7.1 oz (201 g), white; 4.5 oz (128 g), black
Temperature range: -22° F to 176° F (-30° C to 80° C), white; -22° F to 158° F (-30° C to 70° C), black
Case material: Fully gasketed, high-impact plastic alloy, waterproof to IPX7

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