These are a broad banded 50 Ohm ferrite baluns are balanced to unbalanced antenna matching devices. With a transformation ratio of 1:1 these baluns will couple into any 50 ohm balanced system Hy-Gain broadband ferrite baluns are balanced to unbalanced antenna matching devices. With a transformation ratio of 1:1, these baluns will couple into any 50 ohm balanced system, such as dipoles, multiband doublets, and beam antennas. Hy-Gain broadband ferrite baluns are supplied with stainless steel hardware, except for the eyebolts
Hy-Gain warrants to the original owner of this product, if manufactured by Hy-Gain and purchased from an authorized dealer or directly from Hy-Gain to be free from defects in material and workmanship for a period of 12 months for rotator products and 24 months for antenna products from date of purchase