The AH-4 is an
antenna coupler/tuner designed for long wire or whip type antennas.
This coupler, like the SGC brand, are typically used at the feedpoint of
the antenna, as opposed to a standard antenna tuner located just
downstream of the transceiver.
With an 8 foot
"whip" freq coverage should be 6m-40m and with 23 feet of wire the range
This is the new
AH-4 that arrived today.
In the box you
have the AH-4, package of mounting bolts, package with 16' of coax and 16'
of 4 wire control cable, and the instructions. The coax requires
installation of the PL259 connectors.