Garmin GXM 40 XM Radio Smart Antenna

The GXM 40 XM Radio Smart Antenna provides marine and aviation XM WX® Weather information for viewing on your Garmin® unit. Operating the GXM 40 requires a subscription to the XM WX Satellite Weather service. The GXM 40 also offers music, news, and talk programming with a subscription to the XM Radio service. XM subscriptions are sold separately.

This manual covers the XM WX Weather and XM Radio features of the GXM 40 when viewed on a Garmin unit. To get the most out of your new system, take the time to go through this manual and the Owner's Manual for your unit. This manual discusses how to connect the GXM 40 and how to subscribe to XM WX Weather and XM Radio services, and provides detailed information about weather and audio features. Operational procedures are found in the Owner's Manual for your unit.