Amazon.com: Balun One Nine v2 Barebones - Small Low-Cost 9:1 (1:9) HF Antenna Balun and Unun with Antenna Input Protection for Shortwave. Great for Software Defined Radio (RTL-SDR), Ham It Up &
My new 9:1 unun : r/amateurradio
Portable 9:1 Balun- 400 Watts- Amateur Ham Radio- (example= 50:450 ohms) on eBid United States | 210227112
9:1 unun voltage balun | Norwegian Amateur Radio Station LA9XGA
50:450 ohm (9:1) Balun or Unun Core Kit, .5-32 MHz, 1000 watts PEP, end fed/Ladder Line, T2FD antenna