FB Mix 31 - RFI Range: 1-300 MHz

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FB102-31 - 1/2" ID, RFI Range 1-300 MHz

SKU FB102-31-1

$3.30

FB56-31 - 1/4" ID, RFI Range 1-300 MHz

SKU FB56-31-1

$1.65

On Sale

FB56-31 - 1/4" ID, RFI Range 1-300 MHz, 10 Pieces

SKU FB56-31-10

List price ~~$16.50~~

Save 9%

$15.00

FB56-31 - 1/4" ID, RFI Range 1-300 MHz, 80 Piece Bulk Pack

SKU FB56-31-80

$110.00

12:1 Baluns are useful between 600-650 ohm balanced loads the impedance at the end of the feed line is 600 ohms (1/2 wavelength feed line), or high impedance feeds for rhombic, T2FD and traveling wave antennas.

12:1 Ununs are useful between coax and long wires with a load impedance near 600 ohms like a beverage antenna. Shortwave listener antennas also can benefit with the 12:1 unun and it may provide a better match than 9:1 ununs – this means quieter noise levels and stronger signals so you can hear distance stations easier.