1: 1 High Power 2 Kw Balun Positive V Inverted V Short Wave Antenna Fully Shielded With Connector Waterproof Function - Instrument Parts & Accessories - AliExpress
I BALUN
Autocostruzione choke balun per le HF (balun 1:1 in corrente) - ik1hge.com
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Balun 4:1
1:1 ATU Current Balun, 1-100MHz, 1kW | eBay
Balun 9a1 UnUn 9:1 Antenna LONG Wire i6ibe
Balun 1:1
EA4EOZ, an amateur radio electronic enthusiast: Build your own HF balun