Features: Brand new and high quality Achieve nationwide coverage with the MMDVMs digital modem box. Connection ordinary radios and overcome distance limitations. The MMDVMs box features importes components and a stable crystal oscillator for consistent performances. Its optimized wiring and component layouts ensure efficient heat dissipation. Designings for radio enthusiasts, hobbyists, and technology enthusiasts, the MMDVMs box is perfect for those want for portable radio solution. Whether you're exploring outdoors/setting up a private internet, the MMDVMs box provides clear and communication. also suitable for various communication. Upgrades your communication system with the MMDVMs box and enjoy easy connectivities across multiple modes. Stay connectes wherever you. Specifications: Frequency: bands (420.000-434.900) Support modes: DMRs, YSFs (C4FM), P25, NXDNs, POCSAG Power: 20 milliwatts Size: height 86mmxwidth 38mmxthicknessx3.3cm Screen: 0.96inch External power supplier modes: (AndroidS) port/TypeC port; 5Voltage 2A (self-contained power supplies) Motherboard: zeroWs Hot motherboard: single Package Includes: 1xModem Box note: Please allow 1 to 3cm error due to manual measurement, please make sure you not mind before your bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.