Description
- 1x Elecrow nRFLR1121 Wireless Transceiver Module - Integrates Nordic nRF52840 & Semtech LR1121

- 20 x 3.5 mm
- 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
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WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov.