The Elecrow nRFLR1121 Wireless Transceiver Module is a compact, high-performance communication solution that integrates Nordic’s nRF52840 MCU and Semtech’s SX1121 LoRa transceiver. Designed for ultra-low power consumption and long-range communication, Elecrow nRFLR1121 Wireless Transceiver ModuleElecrow nRFLR1121 Wireless Transceiver Module supports LoRaWAN 1.0.4 (Class A/B/C), Bluetooth 5.3, NFC, Zigbee, and Thread. With support for sub-GHz, 2.4GHz, and S-band frequencies, it enables point-to-point (P2P) and satellite LR-FHSS communication, ideal for applications in remote or off-grid environments. The module features up to +20dBm transmit power, -141dBm sensitivity, and supports transmission distances up to 10km. It offers versatile peripheral access via UART, I2C, and ADC through a 20x20x3.5mm LGA package. nRFLR1121-Pin Defination DIAGRAM Features: Dual-chip integration: Combines Nordic nRF52840 MCU and Semtech SX1121 LoRa transceiver. Ultra-low power: Sleep mode as low as 6uA, ideal for battery-powered applications. Long-range transmission: Up to 10km communication range with +20dBm TX power. Multi-band support: Operates on 850–930MHz, 2.4GHz, and S-band (LR-FHSS). Versatile protocols: Supports LoRaWAN, Bluetooth 5.3, Mesh, Zigbee, NFC, and Thread. Rich interfaces: UART, SPI, I2C, ADC, SWD and more for peripheral expansion. AT command firmware: Easy integration with built-in AT commands and SDK support. Package Includes: 1 x Elecrow nRFLR1121 Wireless Transceiver Module-Integrates Nordic nRF52840 and Semtech SX1121
Specifications
| Item Type: | transceiver module |
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| Model No. / Name: | nRFLR1121 |
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| Frequency (GHz): | 2.4 |
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| Processor | nRF52840 |
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| RF Chip | LR 1121 |
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| Transmitting power | +22 dBm |
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| Receiving Sensitivity | -141dBm |
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| Data Transfer Rate | 1.91 to 62.5 Kbps |
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| Frequency | 850-930MHz |
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| Communication Interface: | SPI |
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| Communication Distance(m) | 5-6km |
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| Operating Temperature (°C): | -40℃~+85℃ |
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| Length (mm): | 20 |
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| Width (mm): | 20 |
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| Weight (g): | 05 |
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| Shipping Weight | 0.02 kg |
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| Shipping Dimensions | 10 × 6 × 2 cm |
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