190-01499-00 Rev. 1 Garmin GTX 3X5 Pilot’s Guide 1-11 GTX 3X5 SERIES TRANSPONDERSThe GTX 3X5 Series Transponders is a family of panel mount and remotetransponders.• GTX 345 Mode S transponder with built-in ADS-B UAT and 1090MHz receivers• GTX 335 Mode S transponder with ADS-B Out functionality1.1 GTX 335The GTX 335 is a TSO compliant mode S transponder with ADS-B OutExtended Squitter functionality.Features:• Traffic Information Service (TIS) traffic display output and auralalerting• Altitude deviation alerting• Timers: count up, count down, flight, trip• Static (Outside) air temperature display• Density altitude display• Internal GPS (Optional)1.2 GTX 345The GTX 345 is a mode S transponder with TSO compliant ADS-B Outand ADS-B In functionality. The GTX 345 is a TSO compliant mode Stransponder with ADS-B Out and ADS-B In functionality.Features:• Dual-band ADS-B traffic display output and aural alerting• Helicopter specific Airport Area Alerting and On-Scene Mode• Integration with TCAD/TAS/TCAS I traffic systems• FIS-B weather and flight information display output• Bluetooth portable device interface to traffic, weather, and AHRS• Altitude deviation alerting• Timers: count up, count down, flight, trip• Static (Outside) air temperature display• Density altitude display• Internal GPS (Optional)1.3 ReferencesADS-B AcademyDRAFT COPY