I haven't been following this thread closely, so ignore if out of place. There are 2 connections on the IC-9700 that can be quite confusing and when you throw in the 2 USB ports it can be very.

The Data Jack labeled as 5 in the instruction manual. This is a 2.5 mm TRS plug. i use this to get NMEA data from a GPS receiver. I built my own cable for a unit that uses a DB-9 connection. 

The CIV/Remote which is labeled as 8 in the instruction manual. This is a 3.5 mm TS plug. It can be used if you want to use the waterfall function in SatPC32. I use it for SatPC32 to control the radio when doing digital modes and Keyboard CW. this the link  https://www.amazon.com/gp/product/B004L0T4UM/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1   

Cheers,
Jerry N5EKO



On Monday, September 5, 2022 at 10:37:54 AM CDT, Rajesh Vagadia - VU2EXP <[email protected]> wrote:


Hi Jeff,

I home-brewed low cost USB CI-V cable for my recent AT3VLH Lighthouse Activation, it worked very well for me and I did hundreds of qso on Digital.

I built a simple CIV cable with easily available USB to TTL converter. I choosen FTDI chip based converter which are very reliable and it's plug & play type device (no drivers needed in latest Windows). Though I used mine with Win10 but guess it will work pretty well with Win-11 too.

Here is construction link I followed:


Hope this could a good option for you or any interested ham who opt for little brewing.

Thank you, 73
Rajesh Vagadia VU2EXP


On Mon 5 Sep, 2022, 5:12 AM jeff griffin, <[email protected]> wrote:
Does anyone have first hand experience with an Icom CIV to USB cable
that is compatible with WIN11? If so the make, model, and source please...

Thanks...

73 Jeff kb2m



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