Helitron DV4mini USB Stick

Helitron DV4mini USB Stick
£119.95 ( £99.96 EXC. VAT )
Not Available to Order
Shipping to:
Add to cart
Product Information
  • Overview
  • Technical Features
  • Videos
  • Customer Reviews

Discontinued, Please see ZUMSpot USB: HERE

 Technical support videos in the section below.


Links for software and supporting documents below:

C++ MSVCP120.DLL update: HERE
DV4Mini documents and supporting software: HERE

Set-up videos: HERE

  • Output Power: approx. 10mW
  • Modulation types: GMSK, 4FSK
  • Operating modes: D-Star, DMR+ C4FM
  • Harmonics: better then -60dB


  • Sensitivity: -120dBm
  • Modulation types: GMSK, 4FSK
  • Operating modes: D-Star, DMR, (C4FM Fusion in process)

Digital specs: 

  • Data rates: 9600 or 4800 Baud, depending on the operating mode
  • Bit rate HF: 4800 bit/s or 4800 dibits/s
  • TCXO: long term stability: better than 2.5 ppm
  • TCXO: short term stability: better than 1 ppm


  • USB plug type A to connect direct, no cable needed
  • Power supplied via USB
  • Antenna SMA-socket, 50 Ohm (you will need an external antenna which is available in the shop)


  • DV4mini and dv4mini.exe: Software to create a D-Star and/or DMR Hotspot. Input options for the call sign and the DMR ID number and functions to link to reflectors.
  • Runs on Windows and Linux
  • Driver: The driver for Windows is included, Linux does not require one. 

Developer Software:

DV4mini Library (in C) licensed under GPL 3.0,  includes all functions required to run the DV4mini hardware allowing you to create your own projects.


Here's how to install the software and how to set up the basics to get started:

Here's how to fix the Visual C++ MSVCP120.dll Windows error:

Here's how to fix the red light staying on error:

Here's how to fix the connect error (USB Device not being recognised):

Check out an UnBoxing video here:

Check out this video of it in action:
(1 reviews)Write a review
dv4mini update software
hi all i had to up date softwaer to 1.64 to tx on reflectors could rx fine on v1.61 but no tx easy resolved update dv4mini testversion 1.64 works great just now
Recently Viewed
If you’d like us to let you know as soon as this product comes back into stock, please enter your email address and mobile number below.