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9:1 unun for vertical antennas, long or random wire antennas, and end-fed half wave antennas. Used to bring the impedance load of the antenna to a more "tuner friendly" level. For QRP 20w watt max. Measures 2.4"x1.4"x1"

This particular design has a female BNC (for QRP portable use, backpacking, SOTA, park, etc.) Most tuners should be able to tune at least 40m-6m. 

Banana plug binding posts for easy connection of element and counterpoise/radials. 

If you have a particular need/design, let me know; It Can be made with BNC male or female connector.

All orders ship within 2 days. 

*core material may vary, but performance and power handling will be the same.