MFJ-9234, QRP LOOP TUNER, 10-40M, RIG MOUNT

The MFJ-9234 Mini Loop Tuner TM is a small, versatile, high-efficiency device that turns a wire loop into a high-efficiency multi-band transmitting antenna system. Designed to mount directly to your radio, it is perfect for on-the-go operation. It is designed for 50-ohm use at QRP-power input on all modes.The MFJ-9234 Mini Loop Tuner TM resonates various lengths of wire to create a Hi-Q tuned-circuit that functions as a transmitting loop. It uses special low-loss capacitors for high efficiency and interfaces the Hi-Q transmitting loop circuit with any length of 50-Ohm coaxial cable.No ground, radials, or counterpoise system are needed. The MFJ-9234 Mini Loop Tuner functions with wire loops of any shape -- circle, square, rectangle etc. For highest efficiency, use wires approaching one quarter wavelength erected in the shape of a circle.The MFJ-9234 Mini Loop Tuner TM uses fixed wire lengths to cover roughly a 1.5:1 frequency ratio (28-18 MHz, 10-7 MHz, etc.). Exact frequency coverage d