The Garmin GA 38 is a robust external GPS and GLONASS antenna designed to provide reliable satellite reception for compatible Garmin marine equipment. Its low-profile, waterproof housing is ideal for exposed marine installations and provides greater flexibility when the connected devices internal antenna does not have a clear view of the sky.The antenna supports three installation options: pole mounting, surface mounting or under-deck mounting beneath a fibreglass deck. A 10-metre antenna cable with BNC connector is included for convenient installation around the vessel.Key FeaturesReceives both GPS and GLONASS satellite signalsHelps improve satellite reception in challenging installation locationsLow-profile marine antenna designDurable, fully gasketed housingIPX7 water-resistant constructionPole, surface or under-deck mounting optionsSuitable for installation beneath most fibreglass decksSupplied with a 10 m antenna cableBNC-to-BNC connectionCompatibilityThe GA 38 is designed for compatible:Garmin marine chartplotters with a BNC antenna connectionGarmin VHF x15 series radiosGarmin AIS 800Garmin Signal VHF and Cortex systemsPlease check the antenna connector on your Garmin device before ordering. This version uses a BNC-to-BNC connection.SpecificationsDimensions: 91.6 mm diameter 49.5 mm heightWeight: 201 gCable length: Approximately 10 mConnector: BNCWater rating: IPX7Housing: Fully gasketed, high-impact plastic alloyOperating temperature: -30C to +80CCompass-safe distance: 114 mmIn the BoxGarmin GA 38 GPS/GLONASS antenna10 m antenna cableMounting hardwareInstallation instructions .input-wrapper a { text-decoration: none; / Removes underline / background-color: transparent; / Ensures no background color / } .input-wrapper a:hover { text-decoration: underline; / Adds underline on hover / background-color: transparent !important; / Removes grey highlight / }