Nothing about matching? Either gamma, 75 Ohm coax, or tuner. I know tunning a 1/4 wave 2 element quad can be done w/o the matching, but it depends on element spacing, wire diameter/length.Sent a e-mail to the man that has it, this is what he said . It,s a 11 meter beam 500 watts / 1200pep...4.5dbd gain...1:1.5 SWR....12db side rejection ...25db front to back ratio that all I got from him. Hope it helps