Elecrow nRFLR1110 - LoRaWAN Communication Module with nRF52840 and LR1110

Description

The multi-protocol wireless communication module combines the Nordic nRF52840 microcontroller with the Semtech LR1110 transceiver, providing support for LoRa, LoRaWAN, Bluetooth Low Energy, Bluetooth Mesh, NFC, Thread and Zigbee. The LR1110 supports frequencies from 150 MHz to 960 MHz, while the module is designed for LoRa / LoRaWAN communication in the 850 MHz to 930 MHz band, including 868 MHz and 915 MHz. Maximum transmit power reaches +21 dBm, receiver sensitivity reaches -141 dBm and the link budget is up to 166 dB. LoRaWAN Classes A, B and C compliant with the LoRaWAN 1.0.4 specification are supported, along with LoRa point-to-point (P2P) communication. Typical communication range is from 5 km to 6 km and can exceed 10 km under suitable conditions.

The GNSS and WiFi scanning functions of the LR1110 allow available signals to be used for device positioning, making the module suitable for trackers, asset tracking systems, telemetry, logistics, industrial automation, smart agriculture and IoT devices. The pins provide access to GPIO, UART, I2C, ADC, SPI, USB, NFC and SWD, while built-in AT command firmware allows the module to be controlled via UART. SDK support also enables custom firmware development. Operating voltage ranges from 1.8 V to 3.7 V, sleep current is approximately 6 µA, while the industrial-grade 32 MHz TCXO and operating temperature range from -40°C to 85°C support use in industrial applications.

Features

• Wireless communication
  
  • Microcontroller: Nordic nRF52840, 64 MHz
  • RF transceiver: Semtech LR1110
  • Supported technologies: LoRa, LoRaWAN, Bluetooth Low Energy, Bluetooth Mesh, NFC, Thread, Zigbee
  • LoRaWAN: Classes A, B and C, compliant with LoRaWAN 1.0.4
  • LoRa communication: point-to-point (P2P)
  • LR1110 configurable frequency range: 150 MHz to 960 MHz
  • LoRa / LoRaWAN module operating band: 850 MHz to 930 MHz
  • Supported regional bands: including 868 MHz and 915 MHz
  • Modulations: LoRa, (G)FSK, GMSK, Sigfox
  • Spreading Factor: SF5 to SF12
  • Data rate: 1.76 kbps to 62.5 kbps
  • Maximum transmit power: +21 dBm
  • Receiver sensitivity: down to -141 dBm at SF12 / BW = 125 kHz
  • Link budget: up to 166 dB
  • Communication range: typically 5 km to 6 km, over 10 km under suitable conditions
• Positioning and interfaces
  
  • Positioning functions: GNSS and WiFi scanning
  • GNSS support: GPS / BeiDou
  • LR1110 communication interface: SPI, up to 10 Mbps
  • Available interfaces: GPIO, UART, I2C, ADC, SPI, USB, NFC, SWD
  • AT command support via UART
  • Custom firmware development using SDK
  • Antennas: external, connected via RF pins
• Electrical and mechanical parameters
  
  • Operating voltage: 1.8 V to 3.7 V
  • Sleep current: approximately 6 µA
  • Current consumption during reception with MCU: approximately 18 mA
  • Current consumption during transmission with MCU: approximately 126 mA
  • Current consumption during Bluetooth scanning: approximately 8 mA
  • Current consumption during WiFi scanning: approximately 8 mA
  • Oscillator: industrial-grade 32 MHz TCXO
  • Operating temperature: -40°C to 85°C
  • Package: LGA, 80 pins, SMT mounting
  • Dimensions: 20 x 20 x 3.5 mm
  • Weight: approximately 3 g
  • Certifications: FCC, CE, RoHS

Kit includes

• 1 x Elecrow nRFLR1110 wireless communication module