LoRa Node Expansion Board - LoRa development board with Semtech LR1121 and nRF52840
ID: 1204689
5902186336285
zł115.01
Tax included
zł93.50 tax excl.
An IoT platform based on the nRF52840 chip and the Semtech LR1121 transceiver, enabling LoRa and LoRaWAN communication in the 868/915 MHz and 2.4 GHz bands. The module offers high receiver sensitivity of up to -141 dBm, enabling communication distances of up to approximately 15 km. Support for multiple interfaces, such as GPIO, ADC, I2C, and UART, and compatibility with the Crowtail ecosystem, enables easy integration with sensors and rapid prototyping. Elecrow LMM15121D
Description
LoRa Node Expansion Board is an advanced IoT platform designed for building low-power, long-range communication nodes. The module is based on the nRF52840 chip and Semtech LR1121 transceiver, supporting LoRa point-to-point and LoRaWAN communication in the 868 MHz and 915 MHz bands, as well as LoRa in the 2.4 GHz band. This makes it a versatile solution for a wide range of IoT applications requiring stable long-distance data transmission.
The module features a power management system for lithium batteries and a solar charging interface, enabling autonomous operation in outdoor environments without frequent maintenance. Thanks to low power consumption and renewable energy support, it is ideal for environmental monitoring, precision agriculture, and smart city applications. The device offers a rich set of interfaces, including 2 digital inputs, 2 analog inputs, I2C, and UART, allowing easy connection of sensors and expansion modules. Full compatibility with the Crowtail ecosystem enables rapid development of functional data collection nodes, such as temperature, humidity, or air quality monitoring. The plug & play design significantly simplifies integration and prototyping.
With support for multiple communication protocols, including LoRa, (G)FSK, LR-FHSS, and Sigfox, the module provides high design flexibility. The built-in Bluetooth 5.3 BLE enables additional local communication and device configuration. The board also includes antenna connectors for LoRa and 2.4 GHz connectivity, allowing optimization of range and transmission performance. LoRa Node nRFLR1121 is an ideal solution for projects such as environmental monitoring, smart agriculture, industrial automation, logistics systems, smart home, and medical applications. Thanks to high performance, energy efficiency, and reliability in harsh environments, the module provides a solid foundation for modern IoT systems.
Features
- Main system:
- CPU/SoC: nRF52840
- Base chip: Semtech LR1121IMLTRT (nRFLR1121)
- RAM: 256 KB
- Flash: 1 MB (internal), 8 MB (external)
- LoRa communication:
- Module: nRFLR1121
- Processor: nRF52840, 32-bit, 64 MHz
- Maximum transmit power: +20 dBm
- Receiver sensitivity: -141 dBm @ SF12 / 125 kHz
- Link budget: up to 166 dB
- Data rate: 0.091 – 62.5 kb/s
- Modulations: LoRa / (G)FSK / LR-FHSS / Sigfox
- Spreading factor: SF5 – SF12
- Frequency: 850 – 930 MHz (868/915 MHz) and 2.4 GHz
- Range: 5 – 6 km, up to 15 km maximum
- Other communication interfaces:
- Satcom: S-band
- Bluetooth: 5.3 BLE (mesh)
- Interfaces and control:
- 1 × USB-C
- 1 × WiFi/LoRa antenna connector
- 2 × digital interfaces (D0, D1)
- 2 × analog interfaces (A0, A1)
- 1 × battery connector
- 1 × solar panel connector
- 1 × I2C
- 1 × UART
- Buttons: Reset, user
- LED indicators:
- Red: power
- Green: charging
- Blue: user
- Supply voltage: 5.0 V
- I/O voltage: 3.3 V
- Clock: 32 MHz TCXO
- Operating temperature: -30°C to +85°C
- Storage temperature: -30°C to +85°C
- Dimensions: 75 × 55 × 7.5 mm
- Weight: 21 g
Kit contains
- LoRa Node Board (nRFLR1121)
- LoRa antenna
- WiFi / 2.4 GHz antenna
- 7-pin header
1204689
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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