IC-705 completely cordless digital ham radio

The IC-705 has a built-in server to to send and receive audio and radio control via WLAN. This allows the IC-705 to be connected directly to the user’s computer without the need for an additional server computer. Perfect to run e.g. digital operation modes completely cordless.

For Windows the program from ICOM RS-BA1 is required.


In this article I want to show a solution that works with the Raspberry PI.

At home I use the WLAN access point to connect my IC-705 to it. With this the radio is available in my network. On the way I connect my IC-705 with the hotspot of my iPad. If you did your setup with the script from KM4ACK you can connect the IC-705 with the hotspot of the Raspberry Pi. Computer and radio (and iPad if connected to the Raspberry Pi via VNC) must be in the same network.

The software which takes over the function of RS-BA1 on the Raspberry PI is provided by Norbert Varga, HA2NON.


Christian Cernuschi, IZ7YFP has created a video that describes the installation and setup of the IC-705.


Many thanks Norbert and Christian, great job 🙂

To be able to synchronize the time of my Raspberry PI I use an additional USB GPS. At the time of writing this article I don’t know if I can transfer the data of the IC-705’s built-in GPS via WLAN.

Once again the Raspberry PI computer shows that it is perfectly suited as a ham radio computer. Especially in QRP use on the road it has proved itself very well.

For the installation of the most important amateur radio programs I have written a separate article.

Setup Raspberry Pi for Ham-Radio

I wish you much joy, stay healthy
73, Karl-Heinz