Elecrow nRFLR1121 Wireless Transceiver Module: Combines Nordic nRF52840 and Semtech LR1121

• 1x Elecrow nRFLR1121 Wireless Transceiver Module – Integrates Nordic nRF52840 & Semtech LR1121

• 20 x 3.5 mm

Website

• Elecrow nRFLR1121 Wireless Transceiver Module-Integrates Nordic nRF52840 and Semtech SX1121 – Wiki

PDF File

• Elecrow nRFLR1121 Wireless Transceiver Module – Integrates Nordic nRF52840 & Semtech LR1121 – Datasheet

• High performance with maximum transmit power of +20dBm
• Supports transmission rates from 1.91 to 62.5 kbps
• Sensitivity of -141dBm at SF12/BW=125kHz
• Link budget of 166dB
• Ultra-low power consumption with a sleep current of 6uA
• Supports sub-GHz, global 2.4GHz spectrum, S-band, and LoRa point-to-point communication
• Wireless connection supports 850~930MHz global LoRa & LoRaWAN ISM frequency
• Supports low-power Bluetooth mesh network, NFC, Thread, and Zigbee
• Built-in AT command firmware with SDK support for customized development
• AT command set accessible via UART interface
• Long-distance communication up to 10km
• Rich peripherals with various GPIO interfaces such as UART, I2C, ADC
• FCC, CE, RoHS certified
• Processor: RF chip nRF52840, dual-core 32-bit, 64MHz main frequency
• RF chip: Semtech LR 1121
• LoRa specification: Transmit power TX +22 dBm max, receiving sensitivity -141dBm
• Demodulator supports LoRa/(G)FSK/GMSK/Sigfox signal modulation
• Supports S-band satellite frequency hopping spread spectrum communication
• LoRa frequency range: 150MHz to 960MHz and 2400 MHz bands
• Spreading factor: SF5~SF12
• Data transfer rate: 1.91 to 62.5 Kbps
• Communication interface: SPI (0~10Mbps)
• Lead pin includes SPI signal, VCC, multiple GND, NRST, ANT, TX control, RX control, BUSY status, NFC, SWD debugging pin
• Antenna via RF pins, not onboard
• Reference power consumption: 6uA (sleep), 126mA (transmit + MCU), 18mA (receive + MCU)
• Communication distance: 5~6km, maximum over 10km
• Crystal type: Industrial grade 32MHz TCXO
• LoRaWAN protocol: Class A/B/C, compliant with LoRaWAN 1.0.4 specification
• Operating voltage: 1.8~3.7V
• Operating temperature: -40°C to +85°C, industrial standard design
• Weight: 3g