Product Description: The MMDVM Duplex Hotspot Module V 1.5. 2 is an advanced digital voice modem designed to support various amateur radio modes, including DMR, P25, YSF, D-Star, NXDN, and POCSAG. This hotspot module ensures seamless cross-mode communication with its dual-slot support (DMR Slot 1 + Slot 2) and full-duplex capability using two onboard ADF7021 transceivers. Preloaded & Easy SetupFor convenience, the Pi-Star firmware is preloaded on an 8GB TF card, with
most settings configured: Simplex Mode pre-set for ease of use. OLED Display Type 3 and STM32 GPIO Modem pre-selected. 433.550MH z TX frequency set by default (adjustable as needed). Connectivity & Network Dual connectivity options: Supports WiFi for wireless operation and Ethernet for a more stable wired connection. For first-time setup, simply connect via Ethernet cable to configure WiFi easily.
Frequency & Transmission UHF: 430-450MHz, optimized for amateur radio bands.
VHF: 144-148MHz, 219-225MHz also supported. Supports DUPLEX & SIMPLEX modes, allowing dual time-slot DMR operation. Power & Accessories Powered via DC 5V USB, compatible with mobile chargers, power banks, laptops, or computers. Comes with a 433MHz UHF antenna for better signal reception. Features an acrylic shell for protection and clear visibility of status LEDs. Onboard LED indicators display TX, RX, PTT, and Mode status. Upgrade &
Maintenance Latest Firmware: V 1.5. 2 (Upgradeable to V 1.6. 1). Upgrade via
Pi-Star SSH (user: pi-star, pass: raspberry). Supports STM32-DVM/MMDVM_HS-Raspberry Pi Hat (GPIO) modem selection.
Package Includes: 1. Duplex Hotspot x1 (With Raspbery P Model 2B assembled) 2. OLED display x1 (installed on board) 3. 8G TFT card x14. Wireless wifi module x15. Acrylic Shell x1 (assembled) 6. 433Mhz UHF Antenna x27. Usb Cable x18. User Manual