These are not made by Yaesu or Elecraft but fit PERFECTLY inthe above Yaesu radios and interface to the band information and keying of the Elecraft KPA-500 or KPA-1500. Interface cable for your ELECRAFT KPA-500 or KPA-1500 to YAESU FTDX101D, FTDX101MP, FTDX-3000.
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