2:1 Baluns/Ununs +25-Pack UHF Female Jack SO-239 Bulkhead Panel Chassis Mount ConnectorStore/Antenna Products/Antenna Hardware, Coax, Wire, ConnectorsSKU SO239-5GP$14.95Quantity: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 it5-Pack UHF Female Jack SO-239 Bulkhead Panel Chassis Mount ConnectorStore/Antenna Products/Antenna Hardware, Coax, Wire, ConnectorsProduct DetailsFeatures: 5x Commercial Grade UHF Connectors Suitable for Video Headend Applications Nickel-Plated Machined Brass Construction Gold Plated Contacts Delrin Insulator Min-Clam-Shell Package Package Contents: 5x UHF Panel Mount Jacks Show 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).