AD-21/66174 — Low-profile VHF Monopole Antenna

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AD-21/66174 is a wideband low-profile monopole antenna covering 66-88 and 136-174 MHz for mobile comms and jamming up to 50 W CW. The antenna can be affixed to vehicles by magmount or permanently mounted with a bulkhead mating connector.

AD-21/3512 is a wideband low-profile monopole antenna covering frequency range from66-88 and 136-174 MHz and is intended for use with portable and mobile radios. The antenna radiator is composed of two parts: the whip made of special strong and flexible stainless steel with spring at the bottom and the matching transformer unit above an N male coaxial connector. The radiator and the matching unit are painted with UV protective polyurethane black paint.

The antenna radiator could be used as a separate antenna attached to the portable radio device or it can be used with the magnet base ADM-21/N or fixed base ADN-21/N, both with the integrated coaxial cable length of 4 meters and ended with the FME female connector. Various adapters from FME to N, BNC, UHF, SMA, etc. are available on request.


  • AD-21/66174-N: wideband monopole antenna for portable radio devices with N male connector
  • AD-21/66174-F: AD-21/66174-N with the fixed mount ADN-21/N
  • AD-21/66174-M: AD-21/66174-N with the magnet mount ADM-21/N 


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