The compact, all-in-one GXM 40 delivers XM Satellite weather, traffic and radio to your compatible Garmin unit. With the GXM 40 and a subscription to XM services, you can check the weather, avoid traffic backups or listen to the radio when you travel with your unit.
Connect Quickly Setting up the GXM 40 is fast and easy. Simply position the antenna where it has a clear view of the sky and connect it directly to the USB port on your unit. Then choose the XM subscription that best fits your needs to start receiving XM satellite services.