Icom AH-2 controller unit. This is standalone
unit used to connect Icom AH-2 tuner (or later,
like AH-3, AH-4) to earlier Icom radios such as
753, 761, 765, 781, etc. that controlled the
tuner via radio CIV port. Later Icom radios
control the tuner directly from the radio, with 4
pin connector, earlier Icom radio used CIV port.
This controller connects between the CIV port
and the AH-2 (or later AH tuners as well). This is
extremely hard to find accessory and is not
available any more. With 19 page Icom manual.
The manual is actually the AH-2 manual, which
devotes several pages, and goes into detail
about the controller, connection, drawings how
to connect and use, etc. Icom AH controller.
Used but working. $75.00 + shipping