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*** September Offer - Free shipping on all orders to Europe, UK and The USA ***

The Digimode-4 - The Ultimate plug-and-play Digital Mode Interface only $99.99

Operate FT8, FT4, WSPR, JS8Call, VARA, SSTV and more with a single plug-and-play interface.

Check the review of our Digimode-4 on the OH8STN website here where he called our Digimode-4 the "Ultimate audio and CAT control interface" You can buy it directly from the link below or visit our products page in the menu.

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The Digimode‑4 connects to your PC with a single USB cable and uses a dedicated built-in USB sound card for clean, transformer‑isolated Tx/Rx audio, plus an FTDI USB‑UART for full CAT control.

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Compatible with WSJT‑X, Ham Radio Deluxe, FLDigi, and more—ideal for FT8, JT65, PSK, JS8Call, and other digital modes.

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Its dedicated audio device keeps your PC’s sound system free, while transformer‑isolated audio and opto‑isolated PTT deliver noise‑free performance. Fully plug‑and‑play and pre‑wired for your radio.

** Icom version shown in image 

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Digimode-4 Key Features

  • Plug and Play - Made specifically for your radio. No extra cables or adapters required.

  • Designed, manufactured and supported in the UK by fellow radio amateurs

  • Email and web support with detailed setup guides and documentation here

  • Transformer-isolated audio and opto-isolated PTT for reliable operation.

  • Single USB Type-A connection to your PC for simple plug-and-play operation.

  • Built-in USB sound card, full CAT control and opto-isolated PTT in a single interface.

  • Compatible with WSJT-X, JTDX, FLDigi, HRD, DigiPan, EchoLink, MixW and more.

  • Ideal for FT8, FT4, JS8Call, WSPR, PSK31, SSTV, Packet and many other modes.

  • Works with Windows, Linux and macOS.

  • Compact enclosure (80 × 40 × 20 mm) with 1.5 m USB cable and 0.6 m radio leads.

How-To and Hardware/Software Support Guides


Check out our Ham Radio info Info & Guides pages. We are building up a repository of "how-to" and "trouble shooting" guides to help you set up your radio and PC for CAT control and Digimode operation. 
Some of our Guides are:​

Digimode Software Compatibility


Our interfaces are fully compatible with WSJT-X, JS8Call,  Ham Radio Deluxe, FlDigi, Logger 32, Echolink, MixW, N1MM and many more Digital Mode and CAT control packages. Check our Ham Radio Software Links page for more info.

Digimode Interface Compatible Software

High Performance Digital Mode Interfaces for Ham Radio

Since 2006, Ham-Interfaces has helped amateur radio operators get on the air quickly with reliable digital mode interfaces, CAT control solutions and accessories for radios from Alinco, Icom, Kenwood, TenTec, Xiegu and Yaesu.

Every DigiMode interface is supplied ready to use with all required cables included, eliminating the guesswork and compatibility concerns often associated with digital mode setup.
 

Whether you're interested in FT8, FT4, JS8Call, VARA, Winlink, WSPR, Echolink or other digital modes, our plug-and-play DigiMode interfaces make connecting your radio to your computer simple and reliable.
 

✔ Hundreds of radio models supported

✔ No soldering or special cables required

✔ Full technical support before and after purchase

✔ Fast UK dispatch with worldwide shipping available
 

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Choose a radio brand from the rotating shop images above for direct access to compatible products, or use the main navigation menu to browse our full range of interfaces, accessories, support and guides.

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Need help selecting the correct interface?
Visit our Choose The Right Interface section to quickly find the correct solution for your radio.

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