K6ARK Portable Radio K6ARK QRP (5w) Matching Unit Kit - BNC Female Black

Female BNC for use with coaxial cable. Can be built for use on HF bands from 160 m to 10 m. Build as a 49:1 Unun, 9:1 Unun, 4:1 Unun or 1:1 Balun - Just add wire to complete your antenna. 5W max for high-duty cycle modes, 10W max SSB.