Updates & Downloads

TRANSPONDER: GTX 345/45R (w/PC tool), SB 25037A ADS-B software version 3.62

as of August 21, 2025

Download (65.82 MB)

View installation instructions and system requirements

Notes:

• This software update is intended to be loaded on GTX 345/GTX 45R only.

Change History

Changes made from version 3.61 to 3.62:

• Improves Runway Occupancy Awareness (ROA) processing

Changes made from version 3.60 to 3.61:

• Corrects an issue that could result in momentary loss of the ADS-B In function under specific, rare conditions including the presence of a duplicate address aircraft track (1090 MHz) in a high-density traffic environment.

Installation Instructions

1. Follow instructions per the included Service Bulletin.

System requirements

1. IBM-compatible PC running Windows 7 SP1 or later operating system and an available USB port.