Core2021 LF Dual-Band LoRa Module, LR2021 Transceiver, 2.4GHz And 1.5~2.5GHz Frequency Bands, LoRaWAN (WS-34548)

Core2021 LF Dual-Band LoRa Module, LR2021 Transceiver, 2.4GHz And 1.5~2.5GHz Frequency Bands, LoRaWAN (WS-34548)

Name: Core2021 LF Dual-Band LoRa Module, LR2021 Transceiver, 2.4GHz And 1.5~2.5GHz Frequency Bands, LoRaWAN (WS-34548)
Brand: Waveshare Electronics
SKU: WS-34548
Price: 14.64 EUR
Availability: BackOrder

Kód WS-34548

14,64 €

11.90 € bez DPH

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Core2021 LF Dual-Band LoRa Module, LR2021 Transceiver, 2.4GHz And 1.5~2.5GHz Frequency Bands, LoRaWAN (WS-34548)

Part No.: Core2021-LF-M
LF: 410 ~ 510MHz
Version Options : Core2021-LF
With pre-soldered header

Core2021 LF/HF Dual-Band LoRa Module, Based on LR2021 Transceiver, Supports Sub-GHz, 2.4GHz And 1.5~2.5GHz Frequency Bands, Low-power And Multi-protocol IoT LoRaWAN Module

Core2021 Dual-Band LoRa Module

Supports Sub-GHz, 2.4GHz And 1.5 ~ 2.5GHz Frequency Bands

Supports FLRC modulation, with data rate up to 2.6 Mbps

Core2021 LF/HF Dual-Band LoRa Module, front view

Version Options

HF version, 850 ~ 930MHz frequency

Applicable to Europe, North America and Oceania

Core2021-HF
Standard version

Core2021-HF-M
with pre-soldered header

LF version, 410 ~ 510MHz frequency

Applicable to Europe, Asia

Core2021-LF
Standard version

Core2021-LF-M
with pre-soldered header

* Please select the frequency version according to the local radio regulations before placing an order.

Features

Based on the fourth-generation LoRa multi-band transceiver LR2021
Supports Sub-GHz (410 ~ 510 MHz / 850 ~ 930 MHz), 2.4 GHz ISM band, and 1.5 ~ 2.5 GHz licensed bands
Connects to the cloud via LoRa or LoRaWAN protocol through a gateway, enabling low-power wide-area networking (LPWAN)
Compatible with multiple protocols including LoRa, FLRC, FSK, BLE, and ZigBee
SPI communication interface, supports mainstream MCU platforms for seamless integration and migration
Suitable for IoT applications such as industrial telemetry, smart home, environmental monitoring, and remote data acquisition
Comes with online development resources and manual (examples for ESP32 / Raspberry Pi / Arduino / STM32 / Raspberry Pi Pico)

Product Comparison

Model	Core2021-XF	Core1121-XF	Core1262-XF
Frequency Support	Sub-GHz (410 ~ 510 MHz or 850 ~ 930 MHz), 2.4 GHz ISM band, and 1.5 ~ 2.5 GHz licensed bands		Sub-GHz (410 ~ 510 MHz or 850 ~ 930 MHz)
Modulation	LoRa, FLRC, FSK, LR‑FHSS, BLE, ZigBee	LoRa, (G)FSK, LR-FHSS	LoRa, (G)FSK
Sigfox Protocol Support	√	√	-
AES-128 Encryption Engine	-	√	√
Secure Key Storage	-	√ (NwkKey, AppKey, etc.)	-
Device Identifier Management	-	√ (DevEUI / JoinEUI handling)	-
LoRaWAN Security Compliance	√ (Complete process: storage, authentication)		- (Basic encryption only)
Application Scenarios	Global deployment, multi-band applications, asset tracking, audio communication	Global deployment, multi-band applications, asset tracking, high-security scenarios	Classic Sub-GHz LoRa communication

Product Specifications

Version	Core2021-HF	Core2021-LF
RF Specifications
RF chip	LR2021
Frequency range	HF: 850 ~ 930MHz	LF: 410 ~ 510MHz
Frequency range	2.4 GHz ISM band, 1.5 ~ 2.5 GHz licensed bands
Modulation	LoRa, FLRC, FSK, BLE, ZigBee
Data rate	LoRa: 0.091Kbps ~ 125Kbps FLRC: 0.13 Mbps ~ 2.6 Mbps FSK: 0.5 Kbps ~ 2 Mbps BLE: 125 kbps / 500 kbps / 1 Mbps / 2 Mbps
Emit power	-10dBm ~ 22dBm at Sub-GHz band -17dBm ~ 12dBm at ISM band
Receiver sensitivity	-141.5dBm at Sub-GHz band, SF=7, CR4_5, BWL=125KHz -130.5dBm at ISM band, SF=12, CR4_5, BWL=800KHz -111dBm at FLRC，260 Kbps -97dBm at BLE，2 Mbps
Typical Range	Sub-GHz band: 5KM ISM band: 2KM
Spreadind factor	SF5 ~ SF12
Electrical Characteristics
Operating voltage	3.3V (maximum 3.7V)
Logic Voltage	3.3V (A level converter is required for other logic levels)
Module power consumption	Sub-GHz band: emitting current: 105mA at 22dBm receiving current: 5.8mA at 125KHz
Module power consumption	ISM band: emitting current: 23mA at 12dBm receiving current: 6.4mA at 125KHz
Hardware Specifications
Communication bus	SPI
Crystal Oscillator	XTAL 32MHz
Antenna Interface	IPEX-4 connector and castellated hole (additional operation required)
Antenna Protection	TVS protection
Operating temperature	-40℃ ~ 85℃
Connector	castellated edge / solder holes, pitch 2.54mm
Dimensions	19.00×22.00mm

Application example

Industrial environment, smart home, and data acquisition...

Strong Communication Compatibility

The LR2021 can communicate with LR1121, SX126X, SX127X, and SX128X series, maintaining backward compatibility with existing LoRa products after upgrades, and provides higher power efficiency and longer transmission distance.

Dual Spread Spectrum Modulation for Complex Environments

The LR2021 integrates both LoRa Chirp Spread Spectrum and Long Range – Frequency Hopping Spread Spectrum technologies, supports Sub-GHz, 2.4 GHz ISM band, and 1.5 ~ 2.5 GHz licensed tri-band coverage, enabling both terrestrial IoT and satellite IoT communication requirements. It is suitable for applications in industrial, agricultural, smart city, and satellite IoT scenarios.