AURSINC Mini MMDVM Duplex Hotspot Board with Antenna, UHF (433-900MHz) VHF (144-146MHz) Dual Band, Compatible with Raspberry Pi-Zero W/3/3B/3B+/4 (without OLED)
AURSINC Mini MMDVM Duplex Hotspot Board with Antenna, UHF (433-900MHz) VHF (144-146MHz) Dual Band, Compatible with Raspberry Pi-Zero W/3/3B/3B+/4 (without OLED)
- Controller Mode: Adopts Duplex Repeater mode, designed for stable two-way communication, providing reliable support for amateur radio communication scenarios. It supports Pi-star control mode selection, allowing users to switch between Duplex Mode and Simple Mode according to actual needs
- Wide Compatibility: Supports DMR, P-25, D-Star protocols and system integration. High-performance configuration: Equipped with a 32-bit ARM processor, with RF power up to 10mW, and the product has undergone comprehensive testing. Compatible with all Raspberry Pi models, including Pi 1, 2/2b, 3/3b/3b+, 4/4b, Pi Zero, and Pi Zero 2W
- Easy Assembly: The firmware is pre-loaded, enabling convenient software-based upgrades without complex initial configuration. Onboard LED indicators clearly display real-time device status, including Transmit (Tx), Receive (Rx), Push-To-Talk (PTT), and operating mode, facilitating quick status checking
- Frequency Range: Covers a wide frequency band, supporting UHF band 433-900MHz and VHF band 144-146MHz (including 144-148, 219-225, 420-475 main frequency bands, and 842-950 band). Best suited for amateur bands: 430-440MHz
- Setup Instructions: Modem type is modifiable, supporting any model ending with GPIO. When configuring, select "STM32-DVM/MMDVM_HS-Raspberry Pi Hat (GPIO)" as the Radio/Modem Type
- Firmware Update Method: For firmware (FW) update: Press and hold the BOOT button to power on, or press and hold the BOOT button at any time, then briefly press the RST button and release it. When the SVC light is off, the device enters upgrade mode. The operation path is pi-star / Expert / SSH Access, with Username: pi-star and Password: radpberry. No jumper settings are required; directly execute the upgrade command in the Pi-star terminal: sudo pistar-mmdvmhshatflash hs_dual_hat.
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Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
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