The MMDVM Project is the brain-child of Jonathan G4KLX.
The project is coordinated on the MMDVM Yahoo! Group.
MMDVM is an open-source Multi-Mode Digital Voice Modem
software application to allow for the development of homebrew hotspots.
The source code for the MMDVM firmware supports
and NXDN modes.
It runs on the Arduino Due, the ST-Micro STM32F407-DISCO and STM32F446-NUCLEO,
as well as the Teensy 3.1/3.2/3.5/3.6. What these platforms have in common is
the use of an ARM Cortex-M3 or M4 processor with a clock speed greater than 70 MHz,
and access to at least one analogue to digital converter and one digital to analogue
converter. A Cortex-M7 processor is prefered.
The Zumspot was an early hardware project of the MMDVM hotspot and most development
appears to be done in and Canada and distributed by Bruce Given, VE2GZI.
However, the Chinese clones are cheap (under $100 Australian) and have become very popular,
dispite their lack of ongoing support. I guess they are almost a throw away item.
A popular Chinese clone of the Zumspot is called the Jumbospot and is available
on many Ebay sites.
It has been often criticised as being unreliable but my unit has worked without fault.
See for details on the Jumbpspot: JumboSpot
TUESDAY, APRIL 17, 2018
I no longer sell anyEquipment/MMDVM Zumspot products this includes the Zumspot pi board, kits and the MMDVM-Pi
please check www.zumspot.com for more information
Please dont email me for any more information , As I will simply not reply
So long and thanks for all the fish!
Posted by VE2GZI and Company at 2:07 PM