GXM 30 XM smart antenna
(includes flange mnt, USB ext. cable) delivers XM Satellite Radio, NavTraffic
and Weather services to your compatible Garmin. Roughly 3 inches in diameter,
the GXM 30 processes all XM information and sends the finished data to your unit
for display. This GXM 30 unit requires a separate XM Satellite subscription(s).
Traffic services are available only in select cities where XM Nav Traffic
coverage exists.
Garmin Part # 010-00423-00
