Mode S Transponders

Mode S Transponders from Avidyne, Becker, Bendix/King, Dynon, Garmin, Sandia, and Trig Avionics.

Mode S Transponders and Digital Mode S Transponders available with Extended Squitter and Diversity.


Featured Items

GTX-330 image
GTX-330

Mode S, IFR-certified Transponder

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TT31 image
TT31

Mode S and 1090ES ADS-B Out capable Transponder

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SV-XPNDR-261 image
SV-XPNDR-261

Mode S Transponder, Class 1

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  • SarasotaAvionics Special Image
  • Avidyne - AXP340

    Mode S Transponder with ADS-B Out

    Part Number: AXP-340 Avidyne's AXP340 Mode S Transponder provides an ADS-B Out solution for general aviation aircraft in a simple, easy-to-use, plug & play design.
  • Pricing:


    Call for Install Pricing for YOUR Aircraft Availability: Accepting Pre-Orders
  • Garmin - GTX-328

    Mode S Transponder

    Part Number: 010-00634-01 All solid-state transponder designed to satisfy European VFR/Class 2 Mode S requirements. Features pushbutton squawk code selection.
  • Pricing:

    Retail Price: $2,995.00
    Our Price: $2,650.00 Availability: Install Only
  • Garmin - GTX-330

    Mode S, IFR-certified Transponder

    Part Number: 010-00230-01 250-watt digital Mode S transponder is IFR-certified and offers data link capabilities with Traffic Information Services (TIS) interface. Includes a pilot selectable datafield and optionally provides ADS-B out with extended squitter.
  • Pricing:

    Retail Price: $3,996.00
    Our Price: $3,500.00 Availability: Install Only
  • Garmin - GTX-330 Gray

    Mode S, IFR-certified Transponder

    Part Number: 010-00230-21 250-watt digital Mode S transponder is IFR-certified and offers data link capabilities with Traffic Information Services (TIS) interface. Includes a pilot selectable datafield and optionally provides ADS-B out with extended squitter.
  • Pricing:


    Call For Price Availability: Special Order
  • Garmin - GTX-330 with ES

    Mode S, IFR-certified Transponder/Extended Squitter

    Part Number: 010-00230-61 250-watt digital Mode S transponder is IFR-certified and offers data link capabilities with Traffic Information Services (TIS) interface. Includes a pilot selectable datafield and optionally provides ADS-B out with extended squitter.
  • Pricing:

    Retail Price: $4,796.00
    Our Price: $4,389.00 Availability: Install Only
  • Garmin - GTX-330D

    Mode S Digital Transponder w/Diversity

    Part Number: 010-00293-01 250-watt digital Mode S transponder is IFR-certified and offers data link capabilities with Traffic Information Services (TIS) interface. Includes a pilot selectable datafield and optionally provides ADS-B out with extended squitter.
  • Pricing:

    Retail Price: $7,996.00
    Our Price: $6,989.00 Availability: Install Only
  • Trig Avionics - TT21

    Mode S and 1090ES ADS-B Out capable Transponder (Class 2)

    Part Number: 00710-00 The TT21 is a two part transponder system, which includes an integrated altitude encoder. In design and technology the TT21 is identical to the TT22; the only difference is that the transmitted output power of the TT21 is lower, qualifying the unit as a Class 2 transponder.
  • Pricing:

    Retail Price: $2,980.00
    Our Price: $2,389.00 Availability: In-Stock
  • Trig Avionics - TT22

    Mode S and 1090ES ADS-B Out capable Transponder

    Part Number: 00772-00 Trig makes theworld’s smallest and lightest certified GA transponders. The TT22 Trig compacttransponder can fit into the tightest panel space. This allows GA, light sportand glider pilots to fit other instrumentation or displays that otherwise mightnot have been possible.
  • Pricing:

    Retail Price: $3,280.00
    Our Price: $2,639.00 Availability: In-Stock
  • Trig Avionics - TT31

    Mode S and 1090ES ADS-B Out capable Transponder

    Part Number: 00225-00 Trig's TT31 transponder is the perfect retro-fit for the popular Bendix King KT76A and KT78A transponders. The TT31 is a certified Class 1 Mode S transponder which will 'plug and play' straight into the existing Bendix King tray.
  • Pricing:

    Retail Price: $3,580.00
    Our Price: $2,889.00 Availability: In-Stock
  • Garmin - GTX-330 Gray with ES

    Mode S, IFR-certified Transponder/Extended Squitter

    Part Number: 010-00230-71 250-watt digital Mode S transponder is IFR-certified and offers data link capabilities with Traffic Information Services (TIS) interface. Includes a pilot selectable datafield and optionally provides ADS-B out with extended squitter.
  • Pricing:


    Call For Price Availability: Special Order
  • Garmin - GTX-330D Gray

    Mode S Digital Transponder w/Diversity

    Part Number: 010-00293-21 250-watt digital Mode S transponder is IFR-certified and offers data link capabilities with Traffic Information Services (TIS) interface. Includes a pilot selectable datafield and optionally provides ADS-B out with extended squitter.
  • Pricing:


    Call For Price Availability: Special Order
  • Garmin - GTX-330D with ES

    Mode S, IFR-certified Transponder with Diversity/Extended Squitter

    Part Number: 010-00293-61 250-watt digital Mode S transponder is IFR-certified and offers data link capabilities with Traffic Information Services (TIS) interface. Includes a pilot selectable datafield and optionally provides ADS-B out with extended squitter.
  • Pricing:

    Retail Price: $8,636.00
    Our Price: $7,589.00 Availability: Install Only
  • Dynon Avionics - SV-XPNDR-261

    Mode S Transponder, Class 1

    Part Number: 101409-000 For High Performance Aircraft. Made for the SkyView System with control and annunciation appearing on the SkyView Display. The transponder module can be mounted anywhere in the airplane that is convenient.
  • Pricing:

    Retail Price: $2,200.00
    Our Price: $2,079.00 Availability: In-Stock
  • Dynon Avionics - SV-XPNDR-262

    Mode S Transponder, Class 2

    Part Number: 101410-000 For <15,000 feet, <175 knots. Made for the SkyView System with control and annunciation appearing on the SkyView Display. The transponder module can be mounted anywhere in the airplane that is convenient.
  • Pricing:

    Retail Price: $1,800.00
    Our Price: $1,689.00 Availability: In-Stock
  • Garmin - GTX-330D Gray with ES

    Mode S, IFR-certified Transponder with Diversity/Extended Squitter

    Part Number: 010-00293-71 250-watt digital Mode S transponder is IFR-certified and offers data link capabilities with Traffic Information Services (TIS) interface. Includes a pilot selectable datafield and optionally provides ADS-B out with extended squitter.
  • Pricing:


    Call For Price Availability: Special Order
  • Becker Avionics - BXP6403-1-(01) Retrofit

    MODE S Transponder, Class I, Level 2 es

    Part Number: 0602.991 915 For IFR installation typ. 250 watt power output, extended squitter. Includes RFA6403-1 Retrofit Adapter for KT76A.
  • Pricing:

    Retail Price: $4,095.00
    Our Price: $3,495.00 Availability: 2-3 Days
  • Becker Avionics - BXP6403-2-(01) Retrofit

    MODE S Transponder, Class II, Level 2 es

    Part Number: 0602.981 915 For VFR installation typ. 175 watt power output, extended squitter.  Includes RFA6403-1 Retrofit-Adapter for KT76A.
  • Pricing:

    Retail Price: $3,595.00
    Our Price: $3,109.00 Availability: 2-3 Days
  • Becker Avionics - BXP6403-2-(01)

    MODE S Transponder, Class II, Level 2 es

    Part Number: 0572.926 915 For VFR installation typ. 175 watt power output, extended squitter.
  • Pricing:

    Retail Price: $3,685.00
    Our Price: $3,185.00 Availability: 2-3 Days
  • Becker Avionics - BXP6403-1-(01)

    MODE S Transponder, Class I, Level 2 es

    Part Number: 0598.186 915 For IFR installation typ. 250 watt power output, extended squitter.
  • Pricing:

    Retail Price: $3,725.00
    Our Price: $3,215.00 Availability: 2-3 Days
  • Garmin - GTX-33

    Remote Mount IFR-certified Digital Mode S Transponder

    Part Number: 010-00267-01 IFR-certified digital Mode S transponder with data link capabilities and 250-watt output. Designed for remote installation with compatible navigation systems and optionally provides ADS-B out with extended squitter.
  • Pricing:

    Retail Price: $4,195.00
    Our Price: $3,589.00 Availability: Install Only
  • Garmin - GTX-33 with ES

    Remote Mount IFR-certified Digital Mode S Transponder with Extended Squitter

    Part Number: 010-00267-31 IFR-certified digital Mode S transponder with data link capabilities and 250-watt output. Designed for remote installation with compatible navigation systems and optionally provides ADS-B out with extended squitter.
  • Pricing:

    Retail Price: $5,450.00
    Our Price: $4,789.00 Availability: Install Only
  • Garmin - GTX-33D

    Remote Mount IFR-certified Digital Mode S Transponder

    Part Number: 010-00294-01 IFR-certified digital Mode S transponder with data link capabilities and 250-watt output. Designed for remote installation with compatible navigation systems and optionally provides ADS-B out with extended squitter.
  • Pricing:

    Retail Price: $8,395.00
    Our Price: $7,289.00 Availability: Install Only
  • Garmin - GTX-33D with ES

    Remote Mount IFR-certified Digital Mode S Transponder with Extended Squitter

    Part Number: 010-00294-21 IFR-certified digital Mode S transponder with data link capabilities and 250-watt output. Designed for remote installation with compatible navigation systems and optionally provides ADS-B out with extended squitter.
  • Pricing:

    Retail Price: $9,145.00
    Our Price: $7,989.00 Availability: Install Only
  • Garmin - GTX-33H

    Remote Mount IFR-certified Digital Mode S Transponder for Helicopters

    Part Number: 010-00267-51 IFR-certified digital Mode S transponder with data link capabilities and 250-watt output. Designed for remote installation with compatible navigation systems.
  • Pricing:

    Retail Price: $5,995.00
    Our Price: $5,189.00 Availability: Install Only
  • Bendix King - KT-70

    Mode S Digital Transponder

    Part Number: KT0070-02 A value-packed unit providing Mode S surveillance capabilities, the KT 70 also offers full Mode A and Mode C compatibility to meet all ATCRBS (Air Traffic Control Radar Beacon System) technical requirements.
  • Pricing:


    Call For Price Availability: Please Call for More Information
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