RAMI AV-11 Transponder Antenna

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Part# 11-15405
MFR Model# AV-11


The AV-11 is a non-certified transponder antenna for experimental aircraft, similar to the TED 104-12 antenna. This rod style transponder antenna utilizes a BNC connector and requires a smaller mounting hole. The antenna is designed to operate at speeds up to 350 mph and altitudes up to 50,000 feet. It has a drag force of 0.41 lbs. @ 250 mph.

Frequency: 1030-1090
California Prop 65 Warning Symbol

WARNING: The product may contain and/or expose you to a chemical(s) or substance(s) which are known to the State of California to cause cancer and/or birth defects or other reproductive harm.


  • Application: Transponder
  • Frequency: 1030-1090 MHz
  • Impedance: 50 Ohms Nominal
  • VSWR: 1.3:1 Maximum
  • Polarization: Vertical
  • Pattern: Omni-Directional
  • Connector: “BNC” Female
  • Weight: 1 oz.
  • RF Power Capacity: 1 KW Peak Pulse @ 1% Duty Cycle



it works

Gary W Verified Purchase


August 25, 2022

Sergio R
August 16, 2018


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Do I use a female or male BNC to connect to this Rami AV-11 antenna?

This has a female BNC. So you will need a male BNC on the coax cable to connect to it.

Q: Can this RAMI AV11 be used with an ack E04 elt?

No, this transponder antenna transmits on 1030-1090 MHz and an ELT antenna has a frequency coverage of 121.5 MHz 406 MHz. Please look at Part# 11-10465.

Q: Will this antenna work with a Trig TT22 with TN72 for ADS-B The TT21/TT22 is compatible with any transponder antenna approved to ETSO C74 or 2C112 or 00560-00?

This antenna does not specify if it meets those standards. It is recommended to use what is advised in the installation manual. Such as p/n: AV-22 or the AV-74 p/n: 11-05846

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