NOTE: These are NOT hotspot boards, they are different and built to interface with a physical radio.MMDVM board = STM32-DVM OR Zum MMDVM ( Discontinued) OR Micro-Node TEENSY.Baby steps though, lets just get this digital node built. How cool would that be! If its easy and cheap to build and can be done in areas with no internet, that’s helping humanity. Think about it, the ham community can build a large network that has the ability to be “offline” and still allow for clear digital voice communication. A connected digital environment allows us to leverage MESH networks like Broadband Ham Net or ARDEDNin events where the internet may not be reliable. Through proper coordination, given digital’s IP connectivity and features, Ham radio operators around the world can build fully connected systems, allowing remote parts to have access to RF communication.
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The MMDVM_Host software counterpart is opensource and feature rich giving users access to the following digital modes:Īfter following this article you will be able to put together a multimode amateur digital repeater or high powered hotspot that can be connected to the internet for world wide digital communication. The MMDVM/Raspberry-Pi combo will turn a single analog radio into a high powered hotspot or 2 radios into a fully featured digital voice repeater. Instead, it uses cables to wire directly into the IO pins of the radio(s) you choose. The MMDVM-Repeater board is a lot like a hotspot, except it doesn’t have a radio built onboard. The MMDVM is a hardware and software component that can interface radios to a computer, like a raspberry pi, turning normal analog radios into digital radios, much like a TNC for packet radio. This simple creation has put the power back into the hands of radio operators around the world allowing them to build and tinker with digital voice systems, breaking down the barrier of needing expensive commercial hardware. Since the release of the MMDVM in early 2016, Johnathan Naylor’s (G4KLX) creation has hit the ground running throughout the ham community. Making your own MMDVM digital voice repeater.
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