SDC Remote another client or?

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Kari Gustafsson SM0HRP

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Feb 14, 2026, 5:39:15 AMFeb 14
to SDC Software Defined Connectors
Hi!
I have been away from this group for a good while. I noticed that there is SDC Remote. Tried to read about it in the Help manual but nil. 
Someone that can give a short desciption on what it is and how to set up?
73 Kari SM0HRP

Simon S (S53K)

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Feb 14, 2026, 8:00:25 AMFeb 14
to SDC Software Defined Connectors

Kari Gustafsson SM0HRP

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Feb 14, 2026, 9:11:49 AMFeb 14
to SDC Software Defined Connectors
Thanks Simon. Ok I see. So you launch SDC as usually from local (home) and VPN into the remote radio. But are there any changes with respect to working with SDC? '
73 and great weekend, 
Kari 

Simon

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Feb 14, 2026, 10:06:12 AMFeb 14
to Kari Gustafsson SM0HRP, SDC Software Defined Connectors

Hi Kari,

The usual architecture is to place a Raspberry Pi (RPi) at the remote station acting as the network entry point. In most cases this runs either a classic VPN  ZeroTier.

Once the tunnel / virtual network is established, your operating computer becomes logically part of the same IP network as the radio LAN. From the SDC perspective there is no functional difference between local and remote operation:

• No changes are required in SDC
• CAT / TCP / UDP communication works transparently
• Radio control and data paths behave exactly like a local setup
• Operation is effectively identical to being physically on-site

You can purchase the recommended remote VPN solution here:
https://d4c-shop.myshopify.com/products/d4zero-vpn-service-revolutionizing-remote-contesting-connectivity

Full setup guidelines and configuration examples are available through D4C documentation.

If you prefer a turnkey deployment, dm5xx can remotely install and configure everything required once access is arranged. We’ve implemented many stations using VPN with ZeroTier and the systems perform very reliably.

73 and have a great weekend,

Simon



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