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Core2021 LF/HF Dual-Band LoRa Module Based on LR2021 Transceiver

SKU: WVSH0609

₹ 1,449.99

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Core2021 LF/HF Dual-Band LoRa Module Based on LR2021 Transceiver₹ 1,449.99

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Details

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	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	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.

Core2021 LF/HF Dual-Band LoRa Module, dual spread spectrum modulation

ISM Band

This frequency band is globally license-free and is ideal for short-range, high-speed data transmission

Pinout definition

High-quality Components

For stable performance of communication module

Core2021 LF/HF Dual-Band LoRa Module, using LR2021 chip

Original chip
LR2021

Core2021 LF/HF Dual-Band LoRa Module, adopts Industrial grade crystal oscillator

Industrial grade crystal oscillator
-40 ~ 85℃

Core2021 LF/HF Dual-Band LoRa Module, two connection methods

Two connection methods for Antenna
IPEX4 / Castellated hole

Core2021 LF/HF Dual-Band LoRa Module, professional shield

Professional shield
Anti-interference & ESD protection

Actual Distance test

Outline Dimensions

Resources & Services

WIKI: docs.waveshare.com/Core2021-XF

* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.

LoRa Module Selection Guide

Product Model	RF Specifications				Electrical Characteristics
Product Model	Frequency band	Modulation	Emit power	Spreadind factor	Operating voltage	power consumption
Core2021-LF	410 ~ 510MHz	22dBm	SF5 ~ SF12	3.3V	emitting current: 105mA@22dBm receiving current: 5.8mA@125kHz
Core2021-LF	1500 ~ 2500MHz	12dBm	SF5 ~ SF12	3.3V	emitting current: 23mA@12dBm receiving current: 6.4mA@125kHz
Core2021-HF	850 ~ 930MHz	22dBm	SF5 ~ SF12	3.3V
Core2021-HF	Core1121-LF	410 ~ 510MHz	22dBm	SF5 ~ SF12	3.3V	emitting current: 115mA@22dBm receiving current: 9.2mA@125KHz
1500 ~ 2500MHz	Core1121-LF	13dBm	SF5 ~ SF12	3.3V	emitting current: 25mA@13dBm receiving current: 8.1mA@125KHz
Core1121-HF	850 ~ 930MHz	22dBm	SF5 ~ SF12	3.3V
Core1121-HF	Core1262-LF	410 ~ 510MHz	LoRa / (G)FSK	22dBm	SF5 ~ SF12	3.3V	emitting current: 107mA@22dBm receiving current: 5.3mA@125KHz
Core1262-HF	850 ~ 930MHz	22dBm	LoRa / (G)FSK	SF5 ~ SF12	3.3V	emitting current: 45mA@14dBm receiving current: 5.3mA@125KHz

Weight: 0.011 kg

Quick Overview

Core2021-HF

Core2021-HF x1
IPEX4 to SMA cable x1
2dBi SMA antenna x1
2.4G antenna x1

1

2

3

4

Core2021-HF-M

Core2021-HF with pre-soldered headers x1
2.4G antenna x1

1

2

3

4

Core2021-LF

Core2021-LF x1
2.4G antenna x1

1

2

3

4

Core2021-LF-M

Core2021-LF with pre-soldered headers x1
2.4G antenna x1

1

2

3

4

What frequency bands does the Core2021 module support and what variants are available?

The module supports Sub-GHz, 2.4 GHz and 1.5 to 2.5 GHz bands. It is available in HF and LF variants, with an HF-M version that includes a pre-soldered header.

What modulation and data rate does the module support?

It supports FLRC modulation with data rates up to 2.6 Mbps.

What are the available frequency variants and what bands do they target?

Core2021-HF covers 850 to 930 MHz, Core2021-LF covers 410 to 510 MHz, and there is an HF-M version with a pre-soldered header.

Is this module compatible with LoRaWAN and suitable for low power IoT deployments?

Yes, it is described as a low power multi protocol IoT LoRaWAN module suitable for LoRaWAN networks.

Which regions are supported by the HF and LF versions?

HF version is applicable to Europe, North America and Oceania, while LF version is applicable to Europe and Asia.

A

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Description

Ask AI about this product

Open in ChatGPT Open in Claude Open in Gemini

Details

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

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	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	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.

ISM Band

This frequency band is globally license-free and is ideal for short-range, high-speed data transmission

Pinout definition

High-quality Components

For stable performance of communication module

Original chip
LR2021

Industrial grade crystal oscillator
-40 ~ 85℃

Two connection methods for Antenna
IPEX4 / Castellated hole

Professional shield
Anti-interference & ESD protection

Actual Distance test

Outline Dimensions

Resources & Services

WIKI: docs.waveshare.com/Core2021-XF

* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.

LoRa Module Selection Guide

Product Model	RF Specifications				Electrical Characteristics
Product Model	Frequency band	Modulation	Emit power	Spreadind factor	Operating voltage	power consumption
Core2021-LF	410 ~ 510MHz	22dBm	SF5 ~ SF12	3.3V	emitting current: 105mA@22dBm receiving current: 5.8mA@125kHz
Core2021-LF	1500 ~ 2500MHz	12dBm	SF5 ~ SF12	3.3V	emitting current: 23mA@12dBm receiving current: 6.4mA@125kHz
Core2021-HF	850 ~ 930MHz	22dBm	SF5 ~ SF12	3.3V
Core2021-HF	Core1121-LF	410 ~ 510MHz	22dBm	SF5 ~ SF12	3.3V	emitting current: 115mA@22dBm receiving current: 9.2mA@125KHz
1500 ~ 2500MHz	Core1121-LF	13dBm	SF5 ~ SF12	3.3V	emitting current: 25mA@13dBm receiving current: 8.1mA@125KHz
Core1121-HF	850 ~ 930MHz	22dBm	SF5 ~ SF12	3.3V
Core1121-HF	Core1262-LF	410 ~ 510MHz	LoRa / (G)FSK	22dBm	SF5 ~ SF12	3.3V	emitting current: 107mA@22dBm receiving current: 5.3mA@125KHz
Core1262-HF	850 ~ 930MHz	22dBm	LoRa / (G)FSK	SF5 ~ SF12	3.3V	emitting current: 45mA@14dBm receiving current: 5.3mA@125KHz

Weight: 0.011 kg

Quick Overview

Core2021-HF

Core2021-HF x1
IPEX4 to SMA cable x1
2dBi SMA antenna x1
2.4G antenna x1

1

2

3

4

Core2021-HF-M

Core2021-HF with pre-soldered headers x1
2.4G antenna x1

1

2

3

4

Core2021-LF

Core2021-LF x1
2.4G antenna x1

1

2

3

4

Core2021-LF-M

Core2021-LF with pre-soldered headers x1
2.4G antenna x1

1

2

3

4

FAQ

What frequency bands does the Core2021 module support and what variants are available?

The module supports Sub-GHz, 2.4 GHz and 1.5 to 2.5 GHz bands. It is available in HF and LF variants, with an HF-M version that includes a pre-soldered header.

What modulation and data rate does the module support?

It supports FLRC modulation with data rates up to 2.6 Mbps.

What are the available frequency variants and what bands do they target?

Core2021-HF covers 850 to 930 MHz, Core2021-LF covers 410 to 510 MHz, and there is an HF-M version with a pre-soldered header.

Is this module compatible with LoRaWAN and suitable for low power IoT deployments?

Yes, it is described as a low power multi protocol IoT LoRaWAN module suitable for LoRaWAN networks.

Which regions are supported by the HF and LF versions?

HF version is applicable to Europe, North America and Oceania, while LF version is applicable to Europe and Asia.

Reviews

Forum

A

Admin

Welcome to the discussion thread for Core2021 LF/HF Dual-Band LoRa Module Based on LR2021 Transceiver
Feel free to ask questions, share tips or report issues.

Add Post

For more discussion Click Here

Fill out the form below and our team will get back to you with bulk pricing.

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