High Performance Digital Mode Interfaces for Ham Radio
We are currently on vacation returning on Monday 26th January. Any purchase will be shipped on Tuesday 27th January.
Welcome to ham-interfaces.com​​​​​
Connecting Amateur Radio Operators worldwide with high-performance, plug-and-play digital mode and CAT control interfaces—trusted since 2006.
Our interfaces integrate seamlessly with popular applications like WSJT-X, Ham Radio Deluxe, JTDX, JS8Call, FLDigi, and more.
No soldering, no guesswork, no extra cables to buy — just reliable QSOs. Explore the OH8STN review of our Digimode-4 interface and watch the YouTube demo here
Do you want to operate FT8, FT4, WSPR, JT65, JS8Call, VARA, Hell, Olivia, PSK31?
Do you need CAT control of your transceiver? Our Digimode-4 interface does it all.
Connects to your PC via USB with a built-in USB sound card and full CAT control for frequency and mode. Works with WSJT-X, Ham Radio Deluxe, FLDigi, and more—perfect for FT8, JT65, PSK, JS8Call, etc.
Dedicated audio device for digital modes keeps your PC’s sound system free. Features 600 Ohm audio isolation, opto-isolated PTT, and true plug-and-play—pre-wired for your radio.
** Icom version shown in image
You can buy the Digimode-4 direct from the "Buy Now" or the payment QR code links here or just visit the shops from the main menu to see what other great performing interfaces and products we offer. Please check your transceiver is in the Digimode-4 compatibility list here:
Digimode-4 Compatibility List
​
Digimode-4 Key Features
-
Single USB connection at your PC
-
Built-in USB Sound card. Dedicated for Digimode operation.
-
Fully isolated Tx/Rx audio via Bourns 600:600 Ohm transformers and Opto Isolated PTT
-
CAT control uses the excellent FTDI USB UART
-
Compact - 80x40x20mm box. Cables are 1.5m to PC USB and 0.6m data and CAT tails to radio
-
Works with WSJT-X, JTDX FlDigi, Ham Radio Deluxe, Digipan, Echolink, MixW and many more
-
Great for FT8, JT65, WSPR, MFSK, MT63, PSK, Packet, Olivia, SSTV, Throb, Thor and many more
-
Works with all versions of Windows, Linux and MacOS
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, 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.
Product reviews
Below I have picked some reviews and guide videos for our very popular USB-Digimode-4 Digimode Interface.
The Digimode-4 works with Icom, Yaesu, Kenwood and Xiegu transceivers. Perfect for PSK31, FT8, JT9, JT65, Echolink and any other AFSK modes.
Compatible with Windows, Mac and Linux systems, it connects to your PC via USB and has both an external USB Sound Card and CAT interface built-in. Unlike other similarly priced products available, our Digimode-4 has transformer isolated Tx/Rx audio and opto-isolated PTT (so no ground loops!!) and we use the highly reliable FTDI chipset for the CAT
Check OH8STNs website for a review of the Xiegu version. Ultimate Audio and CAT Control Xiegu G90/X5105 – OH8STN Ham Radio
Check out Martin Brossman (KI4CFS) YouTube Review and set up of Digimode-4-Icom with Richard O Futrell (N4AED)
And check out the comparison between our Digimode-4-Xiegu and the Xiegu CE-19 interface on the Digital Shack website here. XGGComms Digimode-4 vs Xiegu CE-19