U-94 push-to-talk for Icom handhelds using the 2-screw I3 jack (IC-F1000 / F2000 / T10). Not the older straight 2-pin I1.
This is a mil-spec U-94/A for this radio jack. Select Dynamic or Electret at checkout to match the headset microphone, they are not interchangeable. Headset side is U-174; red-ring U-384 downleads take the TP-105 o-