This is an extra interface that I do not use.
Works great! You can see how they are setup
and used to operate my shack on my QRZ
These USB Interfaces provide a solution to the
lack of available Serial (COM) ports on laptop
and newer desktop computers for controlling
The USB interface II includes full optical
isolation of all control signals (radio control,
CW, PTT and Squelch) and high quality audio
transformer isolation (with level trimmers) for
audio to your radio's rear panel audio input
and from the radio's constant level audio.
microHAM USB Interfaces have built-in
hardware support for your radio - you no
longer need additional level converters like CT-
62, IF-232, FIF-232, CT-17. The drivers
include support for software CW keying (DTR)
and PTT (RTS) - there is no need for additional
Unlike common mass market computer "USB to
Serial adapters" our USB Interfaces are carefully
designed for maximum immunity from strong
RFI and at the same time be "RF quiet". Each
data line is low pass filtered for minimum
comes with cables to suports these rigs:IC-
275, IC-475, IC-707, IC-725, IC-726, IC-728,
IC-729, IC-735, IC-736, IC-737, IC-738, IC-
746, IC-746 Pro, IC-7400, IC-756, IC-756 Pro,
IC-756 Pro II, IC-756 Pro III, IC-761, IC-765,
IC-775, IC-781, IC-970H, IC-7400, IC-7410,
IC-7600, IC-7700, IC-9100
Sells for $179.
PayPal, Money Order or cash please. Pickup ,or
drop off point is preferred and can be done.
Email me please for further information.