RadioWavz B1:1i Current Balun is a Isolation transformer. This transformer acts as a RF isolator reduce or eliminate stray RF often found on coax. Power is radiated by the antenna not the feedline. Also known as a common mode choke. The
Isolation transformer is effective from 1.8 to 50 MHz. The Standard BALUN is designed to handle 200w cw key down 1500w ssb/pep.