Description Elecrow LoRa Node Expansion Board nRFLR1110 is a LoRa IoT development board built around the nRFLR1110 module, integrating Nordic nRF52840 control and Semtech LR1110 LoRa radio capability. It supports LoRa point-to-point transparent transmission and standard LoRaWAN network access for long-range, low-power IoT nodes. The Elecrow LoRa Node Expansion Board nRFLR1110 is designed for outdoor deployment and fast sensor-node development. It includes lithium battery charge/discharge management, a reserved solar panel interface, six Crowtail-style expansion interfaces, GNSS positioning with GPS and BeiDou, onboard user buttons, and pin headers for flexible customization. Features nRFLR1110 LoRa node: the LoRa Node Expansion Board supports LoRa point-to-point transparent transmission and LoRaWAN network access. nRF52840 controller: nRFLR1110 uses a Nordic nRF52840 processor with 32-bit single-core architecture and 64MHz clock speed. Semtech LR1110 radio: supports LoRa / (G)FSK / LR-FHSS / Sigfox signal modulation through the nRFLR1110 module. 868 / 915MHz compatible: the LoRa Node Expansion Board official specification lists 850~930MHz operation and 868MHz / 915MHz compatibility. GNSS positioning: nRFLR1110 built-in GNSS supports GPS and BeiDou for outdoor location projects. Green power design: the LoRa Node Expansion Board includes built-in battery management and a dedicated solar charging interface for long-term outdoor nodes. Rich expansion interfaces: includes 2 digital, 2 analog, 1 I2C, and 1 UART interface for Crowtail sensors. Developer-friendly hardware: nRFLR1110 reset button, user button, LED indicators, antenna connectors, and pin headers support secondary development. Specifications Product Elecrow LoRa Node Expansion Board nRFLR1110 SKU ELECROW-LMM15010D CPU / SoC nRF52840 Baseband Chip Semtech LR1110IMLTRT, nRFLR1110 module System Memory 256KB RAM Storage 1MB onboard flash, 8MB external flash Module Processor nRF52840 processor, single-core 32-bit, 64MHz clock speed TX Power +20dBm max Receive Sensitivity -144dBm @ SF12 / 125kHz Link Budget 166dB link budget Data Transfer Rate 0.076~62.5Kbps Demodulator LoRa / (G)FSK / LR-FHSS / Sigfox signal modulation Spreading Factor SF5~SF12 Frequency 850~930MHz, 868MHz / 915MHz compatible Range 5~6km, up to 15km max depending on antenna and environment Wi-Fi Wi-Fi sniffer Bluetooth Bluetooth 5.3, BLE, mesh network GNSS Built-in GNSS, GPS / BeiDou Interfaces Type-C, Wi-Fi / GNSS / LoRa antenna, D0, D1, A0, A1, battery, solar, I2C, UART Buttons Reset button, user button LED Indicators Red power indicator, green charging indicator, blue user-defined indicator Power Supply Voltage Typical 5.0V I/O Port Power Supply Voltage Typical 3.3V Clock 32MHz TCXO Operating Temperature -30°C to +85°C Storage Temperature -30°C to +85°C Size 75 x 55 x 7.5mm Net Weight 21g Shipping Weight 50g Applications LoRaWAN sensor nodes for smart cities and smart agriculture Industrial automation and environmental monitoring Outdoor GNSS tracking and field data acquisition Smart home, logistics management, and healthcare IoT projects nRFLR1110 Crowtail sensor expansion with solar-powered LoRa nodes Product List 1 LoRa Node Board, nRFLR1110 1 LoRa antenna 1 GNSS antenna 1 Wi-Fi / 2.4G antenna 2 7-pin header Other Content Expansion Interfaces The Elecrow LoRa Node Expansion Board nRFLR1110 provides two digital interfaces, two analog interfaces, one I2C interface, and one UART interface for rapid connection to Crowtail sensors such as temperature, humidity, and air-quality modules. This nRFLR1110 layout is intended for fast LoRa Node Expansion Board prototyping. Power and Outdoor Deployment The LoRa Node Expansion Board includes lithium battery charge/discharge management and a reserved solar panel interface, making nRFLR1110 suitable for long-term outdoor monitoring nodes when paired with an appropriate power design. Frequency Note The official nRFLR1110 specification lists 850~930MHz operation with 868MHz and 915MHz compatibility. Select firmware and regional settings according to the LoRa Node Expansion Board deployment region and local regulations. Resources Elecrow LoRa Node nRFLR1110 Wiki LoRa Dev Board Series Product Catalogue PDF LoRaWAN Documentation FAQ What is the Elecrow LoRa Node Expansion Board nRFLR1110 used for? It is used to build long-range, low-power LoRaWAN and LoRa point-to-point IoT sensor nodes with GNSS positioning and Crowtail sensor expansion. The nRFLR1110 LoRa Node Expansion Board is especially suited for outdoor sensor-node prototypes. Does it support GNSS positioning? Yes. The official nRFLR1110 specification lists built-in GNSS with GPS and BeiDou support. Which frequencies are supported? The official nRFLR1110 specification lists 850~930MHz operation and 868MHz / 915MHz compatibility. Can it work with solar charging? Yes. The nRFLR1110 board provides battery management circuitry and a dedicated solar charging interface for outdoor node deployments. What sensors can be connected? The nRFLR1110 board provides digital, analog, I2C, and UART interfaces for connecting compatible Crowtail sensors and custom peripherals.
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