MMDVM Open-Source Multi-Mode Digital Voice Modem DIY Kit Expansion Board for Raspberry Pi

Description This board could cooperate Raspberry Pi Orange Pi a variety of school development board to use 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 Multi Mode Digital Voice Modem is a combined hardware and software development of a modem to handle all amateur digital voice modes 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 or M7 based and access to raw interrupts and ADC and ADC ports as well as digital signalling ports Specification Material FR 4 glass fiber coated copper plate Product size 6 5 x 5 8mm 0 26 x 0 23inchPackage Includes 1 x Board1 x Connection cable1 x Screws Kit