1.8 MHZ HIGH-PASS FILTER - For Receivers only (or QRP radios - 10 W max)
This is a Built & Tested unit, complete and encased into an RF-tight Aluminum Box
Miniature Antenna UNUN or BALUN Transformer for Receivers
The BALUN types offer GALVANIC ISOLATION too, because the ground lead of the transformer is not connected to receiver's ground.
