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How Transponders Work
Garmin GTX 327 Review
Garmin GTX 330 Review
Apollo SL 70 Review
Altitude Encoders
Garmin Panel Mount
G500, G600, G1000
GTN series
GNS 530
GNS 430
GNS 480
GNC 300XL, 250XL, 155XL
GTX 330, 327, 320
GMA audio panels
Garmin Portables
Aera series
GPSMAP 696, 496, 396
296, 295, 196, 195
Aspen
Avidyne
IFD 440, 540, 550
Dynon
uAvionix
BendixKing
KSN 770
KLN 94, 90B, 89B
KX 155
KX 165
KX 170B
KN 53
KY 97A 96A 92
KY 196A 197A
KMA 24 20, KA 134
Stratus ADS-B Receivers
Trig Avionics
Apollo SL-30 & SL-40
MX20, MX200 MFD
Slide-in Replacements
Michel/TKM MX series
Narco MK-12D
PS Engineering Audio
Aviation Headsets
Handheld Transceivers
VAL Avionics
Narco
Collins
Terra
Radar Equipment
Stormscopes & StrikeFinders
XM Weather Receivers
TCAS & TCAD Traffic Avoidance
Aircraft Intercoms
Autopilots
Transponders
Encoders
DME
HSI
Argus, Moving Maps
Cessna/ARC Radios
Indicators & Gauges
Aviation Tools
Aircraft For Sale
Single Engine
Multi Engine
Aircraft Transponders for sale on
eBay
Item Description
Price
Garmin GTX 33 Transponder 011-00779-10
250.00 USD
Narco AT 150 TSO Transponder Bench Tested with FAA 8130-3 Form
750.00 USD
Compact E-ZPass Transponder for Class 2 Vehicles - Toll Convenience Simplified
69.29 USD
Narco Avionics Flightguard Transponder AT6-A Aircraft Airplane Unit Box
45.00 USD
RC transponder
60.00 USD
Aircraft Transponder Ramp Tester Tel-Instrument (TIC) T-43D
900.00 USD
TED TNC 104-13 Aircraft Transponder DME ADS-B Post Antenna Made in USA
24.99 USD
TED TRANSPONDER ANTENNA -- 104-12
27.50 USD
KING KT 79 ATC TRANSPONDER P/N 066-1053-00 WITH MOUNTING TRAY
255.99 USD
Garmin GTX-327 Transponder PN 011-00490-00 With New April 2025 FAA 8130
995.00 USD
Narco AT 150 TSO Transponder - As Removed
250.00 USD
TailBeacon X, TSO, Certified, Mode S ADS-B Transponder, SBAS GPS, LED Nav Light
2099.00 USD
TED BNC 104-12 Aircraft Transponder DME ADS-B Post Antenna Made in USA
25.99 USD
Garmin GTX 33 Remote Transponder 011-00779-00, No Tray
600.00 USD
Sandia Aerospace Altitude Encoder SAE 5-35
125.00 USD
IFD Skyline 300 Transponder In-Flight Device Unknown Condition
150.00 USD
GARMIN GTX 33 Remote Mode S Transponder/Audio Panel 011-00779-30 *CERTIFIED
945.00 USD
Apollo SL 30 SL30 SL-30 Transponder GRAY Insert Lens Free USPS Priority Shipping
59.00 USD
TRIG TT31 MODE S TRANSPONDER PN: 00220-00-01
1500.00 USD
Apollo SL 70 SL70 SL-70 Transponder GRAY Insert Lens Free USPS Priority Shipping
53.00 USD
Sandia STX 165 Transponder
2000.00 USD
King KT 76A Transponder
200.00 USD
LAPOINT INDUSTRIES C6280A/APX C-6280A(P)/APX Transponder Control -
175.00 USD
Garmin GTX 327 Transponder (QTY1) No Rack No Plugs PN 011-00490-00
679.99 USD
Terra TRT250 Transponder With Tray
399.95 USD
aircraft transponder mount plate trig tt22/92
80.00 USD
ARC RT359A Transponder, yellow tagged
865.00 USD
Garmin GTX 320A Transponder 011-00728-00 (11-33 VDC) Bench Tested FAA 8130 Form
750.00 USD
ONWA KS-200A+ Class B+ AIS Transponder 5W Marine AIS for NMEA2000 with WiFi
298.88 USD
Convenient E-ZPass Transponder 2-Pack - Indiana Toll Road Activation Included
131.09 USD