25:1 to 81:1 Baluns/Ununs These baluns and ununs can be used for impedance matching and also as End Fed halfwave antenna matching transformers to 50 or 75 ohm coax cable. Radio Communication RFI Solutions Store/RFI Solution Kits/Radio Communication RFI SolutionsAntenna Rotor RFI SolutionsAntenna Rotor RFI SolutionsAntenna Switch RFI SolutionsAntenna Switch RFI SolutionsAntenna Tuner RFI KitsAntenna Tuner RFI KitsCoax Common Mode Noise FilterCoax Common Mode Noise FilterCommon Mode Noise Filter - AC or DC PowerCommon Mode Noise Filter - AC or DC PowerFeedline Chokes & Static BleedersFeedline Chokes & Static BleedersHF/VHF Transceiver RFI/Noise KitsHF/VHF Transceiver RFI/Noise KitsLinear Amplifier RFI KitsLinear Amplifier RFI KitsMicrophone/Speaker Audio RFIMicrophone/Speaker Audio RFIPortable and Mobile Radio RFI SolutionsPortable and Mobile Radio RFI Solutions