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Difference between Ant1, Ant2 and Ant3 connectors

Roger Sjölin
Roger Sjölin Member
edited January 2020 in FLEX Series (Legacy) Radios
My FLEX 5000A has Ant3 connector marked HF/6m. Is there a difference between the 3 connctors Ant1, Ant2 and Ant3?


  • James Kirk
    James Kirk Member
    edited May 2014
    The early 5000's with the HFRIO-27 antenna connector board had a recommendation that you only use ant 3 for 6 meter transmitting. The board was redesigned to HRFIO-34 with the advent of the second receiver, V/U option and ant 1-3 could now be used for 6 meters, http://kc.flexradio.com/KnowledgebaseArticle50057.aspx?Keywords=hf%2f6m+on+5000
  • Roger Sjölin
    Roger Sjölin Member
    edited April 2017
    Thanks for the answer. Is there a simple way to figure out which hardware configuarion my FLEX-5000A have?
  • W0DHB
    W0DHB Member ✭✭
    edited November 2016
    PowerSDR   Setup->General
    Under Flex-5000 config look for RFIO, board revision is in parenthesis.
    (27x) is old - 6m ant3 only
    (34x) is new 6m ant 1,2,3

  • KE9NS
    KE9NS Member ✭✭
    edited January 2020

    Also, if you have the 2nd receiver, you can only use ANT1 out of the 3. So I use ANT3 as the primary 1st receiver and Ant1 or Tap for the 2nd Receiver.

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