Features 1.Made of ABS good quality materials, possess reliable quality and durable, also environmental protection 2.Suitable 1‑56MHz for Winton short wave antenna, wide applicability with wide range more→of action 3.Impedance changes from unbalanced input to balanced output, the frequency range is 1‑56MHz, and the power is 200w, which shows powerful performance 4.Conversion ratio for 1:4, input impedance is 50Ω(unbalanced), and output impedance is 200Ω(balanced) 5.The standing wave is less than 1.5, come with a top accessory, easy for you to install and use Specification Item Type: 1: 4 Balun Material: ABS Purpose: Suitable 1-56 MHz for Winton short wave antenna 200W 50Ω to 200Ω Color: White Co…