2:1 Baluns/Ununs Plastic Box for Projects - 3.12 x 2.13 x 1.58 with flangeStore/Antenna Products/CUBE Impedance Transformers (<1:1, 1:1, >1:1)/Enclosure Boxes and HardwareSKU PB-1$5.95Quantity:1 Add More Add to CartGo to CheckoutSave this product for later Favorite Favorited View FavoritesCustomer reviewsNo reviews yet. Only signed-in customers who bought this product can leave reviews. To leave a review, sign inShare this product with your friendsShareSharePin itPlastic Box for Projects - 3.12 x 2.13 x 1.58 with flangeStore/Antenna Products/CUBE Impedance Transformers (<1:1, 1:1, >1:1)/Enclosure Boxes and HardwareProduct DetailsPlastic box for small projects - same as used in our CMNF-500 and MB-1-500 series productsShow More2:1 (100:50) Baluns are useful between 50 ohm coax and 100 ohm balanced lines for loops, cubical quads, log periodics and other antennas where the impedance at the end of the feedline is 100 ohms (1/2 wavelength feedline).