EFHW transformer MEF-330-1K-ICAS ~49:1 (56:1) ratio 3-30MHz 1kW ICAS
Covering the80m–10m bands and frequencies in between, it efficiently transforms a high impedance (~2800 Ohms) at the end of a half-wave radiator to 50 Ohms. Frequency Coverage : 3–30 MHz. In Feet : Length = 468 ÷ Frequency (MHz).