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Part# 11-13830


Streamlined Transponder Antenna
Non-TSO’d for Experimental aircraft

The Delta Pop Aviation streamlined transponder Antennas are the best non-TSO’d antennas we have found, and they offer a low drag solution at a good price.


  • Frequency - 978 to 1090 MHz
    • <1.5:1 @978 MHz
    • <1.3:1 @ 1090 MHz
  • Polarization - Vertical
  • Impedance - 50 Ohms
  • Connector - BNC Female
  • Mounting - 8-32 x .437” long threaded studs
  • Weight - 3.0 oz / 85 grams
  • Finish - White Polyurethane
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As always, good to do business with you, great company .

David H
July 3, 2020

Great for the price

Bill B
January 16, 2020

I have this antenna and 3 others on my RV-8 from DeltaPop. Com Radio,Transponder and UAT performance is exceptional. They stand behind their product and service is above and beyond all my expectations.

Al R
July 6, 2017

I was disappointed ,it is not as aerodynamic As my old one,they could have make it a lot more aerdinamic. No time to send it back,I would buy a TED antenna for a lot cheaper

Robert C
June 2, 2017


Q: Will this antenna work with the Garmin GDL 39R?

Per the manufacturer, this antenna will work with the Garmin GDL 39R.

Q: Will this antenna work with the Sandia stx165 transponder?

For an experimental aircraft, yes.

Q: Will this Red Tail Transponder Antenna work with a KT-76A in an experimental aircraft?

Yes, these will work together.

Q: Does this Red Tail xpdr antenna need a physical ground plane or is it built into the design?

This antenna needs a physical ground plane. It is not built in.

Q: Will this antenna work on a micro air T2000 mode c transponder?

Yes, these two units are compatible.

Q: Dimensions of this Red Tail transponder antenna?

The antenna is 4.5"L X 3.5"h X 1"W.

Q: Can this be used with the DYNON SV-XPNDR-262?

Yes, it can be used with the Dynon SV-XPDR-262.

Q: Can this be used with the Garmin GTX 327?

Yes, these can be used with the Garmin GTX 327 on experimental aircraft only.

Q: Is this Red Tail antenna well suited to the Garmin GTX345?

This antenna can be used on the Garmin GTX 345 for experimental aircraft.

Q: In Features you mentioned Connector is BNC Female. Is this BNC Female, the antenna's connector or the coax cable have to have a female connector?

The connector is BNC female. You will need a BNC male connector on the coaxial cable to tie these together.

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