Features: Brand new and high quality Expand your communication rangings with the MMDVM digital modem box, achievings nationwide coverage. The MMDVM motherboards ensures stable performances and efficient data transmission. The new version of the MMDVM board offer optimized wiring and efficient heat dissipation for long service usage. Suitable for radio enthusiasts, individuals/groups in need of communication solution. Perfect for setting up a communication style for those want a lightweight and efficient digital device. Stay connectes and exchange data seamlessly with the MMDVM digital modem. Whether you're outdoors, conducting experiments, involved in professional communication, this device is your company. Experience enhances communication with the MMDVM digital modem. Enjoy clear data transmission and explore possibilities in the world of digital communication. Specifications: Frequency: bands (438.100-470.000) Support modes: DMRs, YSFs (C4FM), P25, NXDNs, POCSAG Power: 20 milliwatts Size: height 86mmxwidth 38mmxthickness 3.3cm Screen: 0.96inch External power supplies mode: (Androids) port/TypeC port; 5Voltage 2A (self-contained power supplies) Motherboards: zeroWs Hot motherboards: duplexs 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.