Quick view MFJ | sku: MFJ-918 MFJ-918, 1:1 CURRENT BALUN, 1.8-30MHZ, 1500W PEP The 1:1 Current Balun was designed to replace the center insulator of a dipole antenna. It is made up of 50 Ferrite Core Beads placed onto a 13-inch piece of RG-303 Coax. Operates 1.8 to 30 MHz. The coax and SO-239 connectors have Teflon for... View Details Compare