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as of 03/28/2023 (Details)
This digital Duplex MMDVM hotspot module can support DMR, YSF, NXDN, Dstar, P25 and System Fusion communications. VHF 144 220 Opera FREQ Install the firmware with bootloader support for USB connection. If you want to use the device via USB port you have to install a bootloader and build the firmware with bootloader support. As the raw device cannot be used with USB you have to use a USB-serial adapter or STlink device. Note: 1. The shell is included. 2. The raspberry pi is not included. 3. The firmware is pre-loaded. Please do not upgrade the firmware by yourself. Specifications: Material: PCB Shell Color: Transparent / Black (Optional) The upper part is TX, the lower is RX antenna. UHF + VHF SMA, antenna Modem Select: STM32_HS_GPIO Set TX frequency, RX frequency TX, RX frequency had better 10M or more apart. SLOT1, SLOT2 support. Antenna Length: 80mm / 3.1in Item Size: Approx. 65 * 74 * 93mm / 2.6 * 2.9 * 3.7in Item Weight: Approx. 74g / 2.6oz Package Size: Approx. 12.5 * 9.5 * 7.3cm / 4.9 * 3.7 * 2.9in Package Weight: Approx. 125g / 4.4oz Package List: 1 * MMDVM Hotspot Module 1 * Acrylic Shell Set 2 * Antennas 2 * Pins 4 * Screwdrivers 1 * User Manual(English)