This is 1:49 RF impedance Transformer designed for matching EFHW (End Fed Half Wave) antenna to 50 OHm
The transformer is made of high quality components – 1pc of Amidon FT240-43 core and military grade AWG 14 PTFE wire.
The efficiency is about 98%.
You will get
– FT240-43 core winding with military grade AWG 14 PTFE wire
– military grade NOS high power cap 100pf
– SO239 connector