This external GPS antenna is suitable for all Garmin WAAS panel-mount GPS systems with an ARINC 743 footprint. It also serves as a SiriusXM antenna. It provides excellent reception and attaches through the fuselage via screw mount.
Reference the G3X™ installation manual for detailed installation instructions. Antenna connections are dual female TNC out.
The Garmin GA 37 antenna is used for the Garmin GTN 650 & 750 GPS/NAV/COM units. This cannot be used for portable GPS units.
Per Garmin, you can not use two GPS Receivers into the GA 37 or any one GPS WAAS antenna.
Per the manufacturer: Yes this unit, part number 11-05824, is compatible with the 430/530 units.
Per Garmin: Yes, the GA 37 (part number 11-05824) will allow you to listen to XM radio through your GNS 530.
No, the GA 37 is not compatible with the Garmin 496. You will need the GA 26C GPS and GXM 42 XM antenna's.
The 345 option with GPS comes with the GA 35 WAAS GPS Antenna.
This is meant for use for a unit requiring a waas gps antenna and for an additional unit needing a xm capable antenna for siriusxm subscriptions.
The GA 37 XM portion of this antenna can be used with the GDL52.
Per the installation manual this antenna cannot be used with the GNS530. The manual recommends 11-18756.