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LR2021 Lora Module

Elecrow LR2021 LoRa Module-150-960MHz Sub-GHz Full-Band LoRa Module

Elecrow nRFLR2021 Wireless Module-with nRF52840 & LR2021 Multi-Band & Multi-Protocol

$14.90
Availability: In stock
SKU
LMM16221D
Brand
Elecrow
Weight
20g

[LoRa Gen 4] Semtech LR2021 with next-generation LoRa technology and FLRC up to 2.6 Mbps
[Multi-Band]
Supports Sub-GHz, 2.4 GHz ISM, and licensed S-band for global IoT connectivity

[Multi-Protocol]
Supports LoRaWAN 1.0.4 A/B/C, Amazon Sidewalk, Sigfox, Wi-SUN FSK, W-MBUS, and Z-Wave
[nRF52840] Bluetooth LE, BLE Mesh, NFC, Thread, and Zigbee for short-range connectivity
[Easy Integration] AT commands, SDK support, UART interface, and low-power operation

[FCC ID, CE certification]

nRFLR2021 LoRa Module–nRF52840 & LR2021 for Multi-Band IoT Connectivity

The nRFLR2021 is a high-performance multi-protocol LoRa module that combines the Nordic nRF52840 MCU with Semtech’s fourth-generation LR2021 LoRa transceiver. It supports Sub-GHz, 2.4 GHz ISM, and licensed S-band connectivity for flexible terrestrial and satellite IoT applications. The module supports LoRaWAN 1.0.4 Class A, B, and C, as well as Amazon Sidewalk, Sigfox, Wi-SUN FSK, W-MBUS, and Z-Wave, while the nRF52840 adds Bluetooth LE, BLE Mesh, NFC, Thread, and Zigbee connectivity. With FLRC speeds up to 2.6 Mbps, built-in AT commands, SDK support, UART connectivity, and low-power operation, the nRFLR2021 is ideal for global IoT, remote sensing, asset tracking, industrial applications, and emergency communication.

size of nRFLR2021 LoRa Module

Feature

  • LoRa Transceiver: Semtech fourth-generation LR2021 with Sub-GHz, 2.4 GHz ISM, and licensed S-band support
  • Multi-Protocol Support: LoRaWAN 1.0.4 Class A/B/C, Amazon Sidewalk, Sigfox, Wi-SUN FSK, W-MBUS, and Z-Wave
  • Wireless Connectivity: nRF52840 with Bluetooth LE, BLE Mesh, NFC, Thread, and Zigbee
  • High-Speed Communication: FLRC modulation with data rates up to 2.6 Mbps
  • LoRa Modulation: Supports LoRa, (G)FSK, LR-FHSS, and FLRC modulation
  • Frequency Range: Sub-GHz 150–960 MHz, 2.4 GHz ISM, and licensed S-band 1900–2200 MHz
  • Long-Range Connectivity: Typical communication range of 5–8 km, with over 12 km possible under line-of-sight conditions
  • Low Power: Chip-level sleep current as low as 470 nA and Sub-GHz receive current of 5.7 mA
  • Easy Development: Built-in AT command firmware, SDK support, and UART interface for quick integration
  • Industrial Grade: Operating temperature from -40°C to +85°C
  • Certifications: FCC ID and CE (RED) 

 

Specification

Processor

nRF52840 processor, dual-core 32-bit, 64MHz main frequency,  

RF chip

Semtech LR2021 Chip

LoRa Specification

Transmit Power TX

22 dBm@Max(SUB-GHz), 12dBm(2.4 GHz)

Receiving Sensitivity

-141.5dBm @SF12/BW=125kHz

Link Budget

 

Demodulator

Support LoRa/(G)FSK signal modulation,SF5~SF12; Support 150MHz-960MHz configuration;

Data Transfer Rate

LoRa 0.0458–125 kbps; FLRC 260 kbps–2.6 Mbps

Other

Frequency

Sub-GHz 850–930 MHz, 2.4 GHz ISM, and S-band 1900–2200 MHz

Communication Interface

SPI(0~10Mbps)

Lead Pin

Such as SPI signal, VCC, multiple GND pins, NRST, ANT (Sub-GHz), ANT (2.4 GHz), multiple DIO pins, TX control, RX control, BUSY state, etc.

Antenna

SMT pins, impedance @50 Ω (Sub-GHz antenna pin + 2.4 GHz antenna pin)

Reference Power Consumption

Sleep power consumption: 1.4 µA

Standby power consumption: 1.16mA

Receive power consumption (including MCU)

  • 2.4GHz: 6.10mA
  • 868/915MHz: 5.75mA

Transmit power consumption (including MCU)

  • 868MHz: 16.5mA
  • 2.4GHz: 30.5mA
  • 915MHz: 101mA

Communication Distance

6~8km, maximum over 15km

LoRaWAN Protocol

Class A/B/C (compliant with LoRaWAN 1.0.4 specification)

Operating Voltage

1.8~3.7V

Operating Temperature

-40℃~+85℃, Industrial standard design

Package Size

20*20*3.5mm, 80-Pin, SMT surface mount, LGA package, 1mm board thickness

Weight

3g

 

Application scenarios

  • Wireless video and image transmission
  • Smart cities
  • Smart agriculture
  • Industrial automation
  • Environmental monitoring
  • Logistics management
  • Meter reading
  • Satellite IoT
  • Marine monitoring
  • Cross-border tracking
  • Mesh networks
  • Internet of Things (IoT)

 

Pin Definition 

Pin definition of nRFLR2021 Lora module  

Package List

  • 1x nRFLR2021 Wireless Transceiver Module

 

Wiki & External links

  • Wiki
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