This UNUN is New, tested and working item 450W version!
- T183 toroid coated with epoxy paint for extra durability.
- Design 7-52MHz or 3-30 frequency response and is very efficient, works even from 3.5 MHz or from 1.8MHz (depand from version)
- Power rating 450 W SSB
- Windings of trifilar enameled wire.
- Insertion loss is < 0.6dB (measured on miniVNA)
- SO-239 connector
- All hardware is Stainless Steel
- The unun is installed in a weatherproof Z-56 IP65-ready box, that are excellent for outdoor installation when a lid is sealed. (photo as an example only)
- Winding connections information included.
9:1 UNUN is great for LONG WIRE antenna, just use random length of wire (some lengths are better covering all bands ie 21m or 42m). Long wire is a directional antenna, and is radiating in the same direction as wire is directed. More info in the Internet...