MMDVM Duplex Hotspot Module Dual V1.5.2 with 0.96" OLED Display USB & Ethernet Supports DMR P25 YSF NXDN Dstar Slot 1 & Slot 2 with Raspbery Pi 3b
Product Details
- Publisher: ZZIIMEED
- Publication date: 0
- Wide Compatibility – Supports DMR, P25, D-Star, YSF, NXDN, and POCSAG, enabling seamless cross-mode communication. Built in with Raspbery Pi model 3b.
- Upgraded Connectivity – Features both WiFi & Ethernet support. Raspberry P Model 3B allows direct wired connection for stable networking, while the built-in WiFi module supports wireless operation.
- Optimized Frequency & Performance – Operates on UHF 430-450MHz, ideal for amateur radio bands. Equipped with a 32-bit ARM processor, providing high performance and up to 10mW RF power output.
- Pre-Configured & Easy Setup – Pi-Star firmware preloaded on an 8GB TF card with OLED Type 3, STM32 GPIO, and default 433.550MHz frequency. Simply adjust callsign, DMR ID, and security settings to start.
- Enhanced Design & Accessories – Dual-color OLED screen (yellow/blue) displays real-time status. Acrylic shell protects the board while maintaining clear visibility. Includes 433MHz UHF antenna and onboard LEDs for TX, RX, PTT, and mode indication.
The MMDVM Duplex Hotspot Module V1.5.2 is a high-performance digital voice modem designed for amateur radio enthusiasts. It supports multiple digital radio modes including DMR, P25, YSF, D-Star, NXDN, and POCSAG, and allows seamless communication across different modes. With dual-slot DMR support (Slot 1 + Slot 2) and full-duplex operation using two onboard ADF7021 transceivers, this hotspot module ensures reliable and versatile performance.Preloaded & Easy SetupThe Pi-Star firmware comes preloaded on an 8GB TF card with most settings pre-configured:Simplex Mode ready to useOLED Display Type 3 selecteSTM32 GPIO modem pre-selectedTX frequency set to 433.550MHz (adjustable)Connectivity & NetworkSupports WiFi and Ethernet for flexible networkingFor first-time setup, connect via Ethernet to configure WiFi easilyFrequency & TransmissionUHF: 430-450MHz (optimal for amateur radio)VHF: 144-148MHz, 219-225MHz also supportedSupports both DUPLEX and SIMPLEX modes, enabling dual time-slot DMR operationPower & AccessoriesPowered via DC 5V USB (mobile charger, power bank, laptop, or computer)Comes with 433MHz UHF antenna for improved receptionAcrylic shell protects the board and ensures clear visibility of status LEDsOnboard LEDs display TX, RX, PTT, and mode statusUpgrade & MaintenanceLatest firmware V1.5.2 (upgradeable to V1.6.1)Upgrade via Pi-Star SSH (user: pi-star, password: raspberry)Supports STM32-DVM/MMDVM_HS-Raspberry Pi Hat (GPIO) modem selectionPackage Includes:MMDVM Duplex Hotspot Module (with Raspberry Pi Model 3B assembled)OLED Display x1 (installed on board)8GB TF Card x1 (Pi-Star preloaded)Wireless WiFi Module x1Acrylic Shell x1 (assembled)433MHz UHF Antenna x2USB Cable x1User Manual x1
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