1. STRONG COMPATIBILITY: Connect sound codec, CAT control, and switch to a computer via a single USB connector. Compatible with for Wins, for OS X, for , for Android, and for iOS. No drivers needed.
2. FULL FUNCTIONALITY: Works with for FT8, for FT4, for JS8Call, for , for SSTV, for , for APRS, for VaraHF, for VaraFM, and for Soundmodem. Allows full CAT control in powerful transceivers and adjustments for HT and basic mobile radios.
3. HIGH RELIABILITY: Prefabricated transceiver cables are available for popular for Elecraft, for and other popular brands, giving you a professional and user experience.
4. INTEGRATED INTERFACE: Combines sound card and serial port into one. Supports TTL/232 levels, USB serial control, and flexible connection to different devices with dual 3.5mm 4 pin jacks.
5. VERSATILE SOUND AND SERIAL PORTS: Defines sound input and output, PPT control (USB serial control, non sound), and serial port input and output (default TTL, can be changed to 232) with optional 3.3V voltage output support for and reserve expansion port.

Spec:
Item Type: Integrated Digital Modes Interface
Material: ABS
Size: Approx. 53x23x14 mm / 2.09x0.91x0.55 in (excluding USB head protrusion)
Power Supply: USB Powered
Interface: 1 x Sound, 1 x Serial

How to Use:
Remove the product from packaging and it is ready to use

packing list:
1 x Digital Mode Interface