The Garmin GA 38 receives both GPS and GLONASS satellite signals through a low-profile, waterproof external antenna housing. Three included mounting configurations — pole, surface, and under-deck (fiberglass decks) — make installation straightforward on most vessels. For chartplotters and marine electronics with integrated GPS/GLONASS receivers, an external antenna like the GA 38 can improve signal reception and expand placement flexibility.

In the Box

• GA 38 antenna
• Surface mounting bracket
• Pole mounting bracket
• Under-deck mounting bracket
• Mounting hardware
• Antenna cable (32 ft / 10 m)
• Installation instructions

Specifications:

• Dimensions (D x H): 3 19/32" x 1 15/18" (91.6 mm x 49.5 mm)
• Weight: 7.1 oz (201 g)
• Temperature range: -22° F to 176° F (-30° C to 80° C)
• Case material: Fully gasketed, high-impact plastic alloy, waterproof to IPX7

⚠️ California Prop 65 Warning: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.