BN-4000B, BEAM BALUN, 1-54 MHz, 4kW, SO-239
![BN-4000B, BEAM BALUN, 1-54 MHz, 4kW, SO-239](http://mfjenterprises.com/cdn/shop/products/BN-4000B_{width}x.jpg?v=1576532409)
The BN-4000B broadband 50 Ohm Beam current balun is potted to seal out moisture. Rated at 4000 Watts for increased power handling capabilities. Frequency range is 1 MHz to 54 MHz. It comes with a SO-239 connector.