GM 010-00730-00 GXM 40 SMART ANT F/ GPSMAP 640
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- Please note: This item can only be shipped to U.S. addresses.
- Additional discounts do not apply.
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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.