Base Duo

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The heart of your Meshtastic® radio, engineered for performance and reliability. Featuring IO designed for ultimate flexibility. Dual Band LoRa. Main Features Microcontroller: nRF5 2840 LoRa Radio: LR1121 8MB QSPI Flash Buttons: User + Reset QWIIC / STEMMA QT Port Flexible IO: 8 GPIO + 2 Power IO + UART + I2C Meshtastic® Flashed and Licensed Power System Compatible Battery Chemistry: Li-ion LFP (LiFePO4) Solar Power Input with VDPM USB-C Power: 500mA Default Charge 1A Fast Charge option Powerpath: Prevents battery discharge when power source is available Safety Protections: Input Overvoltage Protection Battery Undervoltage Protection Battery Short Protection Battery Overcurrent Protection Input Current Limit Protection Thermal Regulation and Thermal Shutdown Battery Thermal Fault Protection Advanced Charger IC: BQ28185 Product Includes Base Duo Board Sub-GHz LoRa Stubby Antenna 2.4GHz LoRa FPC Antenna Mounting Screws + Hex Key USB-C Cable Specs Sub-GHz LoRa Connector: SMA 2.4GHz LoRa Connector: U.FL LoRa TX Max Power: 20dBm SubG / 11.5dBm 2.4G Bluetooth LE Antenna Bluetooth TX Max Power: 6dBm USB-C: Power and Data Battery Connector: 3-pin Molex PicoBlade Mounting Holes: 3x M2 Board Size: 42x32mm Weight: 10g Looking for Technical Details?In our resources section for the BASE System we provide an evolving user guide, documentation and downloads including spec sheets, schematics, software source files and more. Show more