新品です。取り外しまで使えてました！ 3年程使用。 Gain Access to Current Weather Conditions And Forecasts Our best integrated weather receiver and antenna Easy to install, easy to use Delivers highly detailed weather information directly to your compatible Garmin chartplotter Provides access to the most current weather conditions and forecasts Ethernet connection to Garmin Marine Network provides high bandwidth data transfer and power over a single cable The GXM 53 SiriusXM® weather antenna lets you enjoy added confidence and peace of mind on the water by always having access to the most current weather conditions and forecasts. Easy-to-install and easy-to-use integrated weather receiver and antenna connects to the Garmin Marine Network to deliver highly detailed weather information directly to your compatible Garmin chartplotter. It accesses current weather information, including NEXRAD, lightning, water temperatures, wind and wave current conditions and forecast data -- all of which can be viewed from your