microHAM USB-III Sound/CAT Interface w/ sound card

incl. VAT, plus shipping €116.81

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  • USB interface III
  • CD-ROM with driver software, manual as PDF file (DE, EN)
  • USB cable
The USB-III CAT interface contains an own soundcard, which is connected via USB to the computer. So you don't need separate audio cables to the computer anymore, the original sound card of your computer remains free for other applications. The sound card of the USB-III device offers two distinct advantages over standard cards: a lower noise level and a higher dynamic range (typ. 87dB). This makes this sound card much more suitable for demanding amateur radio applications. All connections to and from the computer and radio are isolated either by transformers or optically. Control lines exist for CAT, PTT, CW/FSK and Squelch.

The USB-III interface works with all computers with USB connector. microHAM USB Device Router and microHAM Device Configurator are compatible with all 32bit and 64bit versions of Windows 7, Windows 8, Windows 10, Vista, XP, 2000 and 2003. Drivers are available for Windows 2000/XP/Vista/Win7 32/64-Bit, WIN10 32/64-Bit as well as Apple G4 with OS-X 10.4 or later, and for up to date Linux distributions. Windows 98/98SE is not supported. Windows 7 64 Bit is supported since version 7.6.1.

  • No COM or LPT port necessary, just one USB port

  • Complete "Computer <-> Radio" electrical isolation

  • Integrated computer control port for all radios CI-V, FIF-232, IF-232, RS-232

  • Squelch input for signaling to computer

  • No external power adapter required

  • Strong RFI immunity

  • Quick change connectors

  • Two controls for TX and RX audio

  • Pseudo-FSK, Pseudo-CW keying for certain programs (fldigi)

  • LEDs for easy visual feedback of CAT, CW, PTT, SQL

  • Metal/Aluminum case, powder coated and silk screened

  • Free, time unlimited firmware/software upgrades via internet

Technical data

  • USB: USB 2.0 Full speed , USB 1.1 compatible

  • CAT RXD, TXD, max. 57600 Bd

  • CW: open collector, driven from DTR, max 30V/400mA

  • PTT: open collector, driven from RTS, max 30V/400mA

  • FSK: open collector, driven from DTR (requires EXTFSK from MMTTY. or pseudo FSK from fldigi)

  • SQL input: close to ground or high (two inputs) to activate. Wired to CTS

  • Size: 103mm x 28mm x 101mm (BxHxT)

  • Weight: 220 gr (without cables)

Important: Cable to radio needs to be ordered separately!
Technical Data
Product Name USB-3
Brand microHAM

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