MMDVM V1.5.2 Dual-Band Two-Channel Development Kit — Real-Time LED Status for Communication & Signal Testing

The MMDVM hotspots Board (V1.5.2) is a dual-band UHF/VHF solution designed for two-channel digital radio applications. It supports P25, DSTAR, and POCSAG protocols and is built for use with open-source firmware, offering a modular platform for experimenting with multiple digital standards. Key hardware features include a high performance processor, two-channel LED status indicators for real-time activity monitoring, and dedicated connectivity for the NanoPi Duo2. The board’s modular design and firmware flexibility make it suitable for integrating into custom projects and testing setups. Intended users include amateur radio operators, embedded systems developers, and educators who need a dependable platform for protocol exploration and networked communications. Typical deployments range from home stations and classroom demonstrations to outdoor field operations and emergency backup networks where continuous signal transmission is required. Engineered for precision and adaptability, this hotspots board delivers stable two-band operation and cross-protocol compatibility, making it a solid choice for advanced communication setups and signal testing scenarios.