 | This stud-mount version of the GA 56 low-profile antenna provides excellent reception for your panel-mount unit. TSO'd to C129 Class A-1. Comes with hardware. Compatible Devices: Garmin GDU: 370, 375 Garmin GNC: 420, 250, 250XL, 300, 300XL TSO, 430, 530 Garmin GPS: 150, 150XL, 155/165 TSO, 155XL TSO, 165 TSO, 400, 500 |