MMDVM DMR Repeater Digital Voice Modem Relay Board Open Source Multi Mode for Raspberry Pi Compatible Systems

Enhance your digital voice communication projects with this advanced Multi-Mode Digital Voice Modem (MMDVM) Relay Board, designed to seamlessly integrate with Raspberry Pi PI3, Orange Pi, and various other development boards. Crafted with a durable green PCB material, this compact board measures approximately 6.6 x 5.7 x 2 cm, making it an ideal choice for both amateur radio enthusiasts and advanced developers seeking versatile digital voice mode support. Key Features: · Multi-Mode Digital Voice Modem Support: Engineered to support multiple amateur digital voice modes—including D-Star and DMR—with planned future compatibility for System Fusion and P.25. It also includes a built-in FM repeater controller to expand functionality. · Compatible Hardware Platforms: Perfectly suited for the Arduino Due, Teensy 3.1/3.2, and mbed platforms, requiring ARM Cortex-M3, M4, or M7 processors, and access to raw interrupts, ADC ports, and digital signaling ports. · Wide Application Base: Previously utilized in popular repeater models such as GM300, GM3188, 3688, 950I, 338 Vitex, and DR-1X, supporting advanced radio communication setups for repeaters and car stations. · Full Duplex and Simplex Modes: Supports full duplex for DMR and FM modes, while providing simplex or duplex modes for other digital voice standards, offering flexible operation tailored to your project needs. · Easy Integration: Designed to work in tandem with Raspberry Pi PI3, Orange Pi, and multiple school and development boards for educational and experimental applications. Please note it is not compatible with Raspberry Pi 3B+ or Nextion LCD displays. · Complete Package: Comes with 1 relay board, 1 motor cable, 2 adapters, and a detailed instruction manual for quick setup and operation. Specifications: · Material: PCB · Color: Green · Size: 6.6 x 5.7 x 2 cm (2.6 x 2.24 x 0.79 inches) Package Includes: · 1 x Relay Board for Raspberry Pi · 1 x Motor Cable · 2 x Adapter · 1 x Instruction Manual This Multi-Mode Digital Voice Modem relay board is an essential tool for developers and hobbyists aiming to work with multiple digital voice modes efficiently. Its robust design, broad device compatibility, and future-proof firmware support make it a valuable addition to your radio communication setup.