Digital Voice Modem, Professional Relay Board High Sensitivity for
by Airshi
- This board needs to cooperate PI3, orange pie, a variety of school development board to use., The Multi-Mode Digital Voice Modem is a combined hardware and software development of a modem to handle all amateur digital voice modes. Initially it will support D-Star and DMR, with System and P.25 coming later, as well as a built-in FM repeater, The MMDVM is aimed at the Due, Teensy 3.1/3.2 and mbed platforms, the only requirement for the hardware is to be ARM Cortex-M3, M4, or M7 based, and access to raw interrupts and ADC and ADC ports as well as digital signalling ports., This board has been applied in the GM300 GM3188 3688 950I 338 Vitex DR-1X, other types of repeaters and car stations need to be studied yourself., The MMDVM is intended to be an open-source Multi-Mode Digital Voice Modem,which utilities the power of an ARM processor and a simple analogue interface board.
