Name: Core1121-HF 868MHz / 2.4GHz Dual-Band LoRa Module, Based LR1121 Transceiver, Suitable For Sub-GHz And 2.4GHz Frequency Bands - Unsolder Version
Brand: WaveShare Electronics
SKU: 31899
Price: 1075.00 INR
Availability: InStock

Core1121-HF 868MHz / 2.4GHz Dual-Band LoRa Module, Based LR1121 Transceiver, Suitable For Sub-GHz And 2.4GHz Frequency Bands - Unsolder Version

WaveShare Electronics

Core1121-HF 868MHz / 2.4GHz Dual-Band LoRa Module, Based LR1121 Transceiver, Suitable For Sub-GHz And 2.4GHz Frequency Bands - Unsolder Version

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SKU: 31899
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Core1121-HF 868MHz / 2.4GHz Dual-Band LoRa Module, Based LR1121 Transceiver, Suitable For Sub-GHz And 2.4GHz Frequency Bands - Unsolder Version

This product is a long-range, ultra-low-power transceiver that supports ISM sub GHz (150-960MHz), global 2.4GHz band, and 1.9-2.1GHz satellite band, suitable for terrestrial and satellite communication applications. It supports LoRa®, (G)FSK, and LR-FHSS modulation methods, and can be used in LoRaWAN® standard networks or private protocols to meet the needs of LPWAN applications. The LR1121 integrates a low-power multi-band RF front-end with extremely high frequency configuration flexibility.

User Manual / Datasheet / Example Codes Etc.

Featuers

Based on the third-generation low-power LoRa transceiver LR1121
Supports Sub-GHz (150MHz ~ 960MHz), Sub-GHz (150MHz ~ 960 MHz), S-band (1.9GHz ~ 2.1GHz), 2.4GHz
Connects to the cloud via LoRa or LoRaWAN protocol through a gateway, enabling low-power wide-area networking (LPWAN)
Supports LoRa, (G)FSK, and LR-FHSS modulation schemes, compatible with SX126X/SX127X series for easy product upgrades
SPI communication interface, supports mainstream MCU platforms for seamless integration and migration
Integrates AES-128 encryption engine to enhance data security
Onboard TCXO crystal oscillator ensures frequency stability under extreme temperature conditions
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 / STM32 / Raspberry Pi Pico)

Specifications

RF chip: LR1121
Operating frequency band: 850 ~ 930MHz & 1900~2100 MHz, 2400~2500MHz
Signal modulation: LoRa / (G)FSK / LR-FHSS
Communication rate: LoRa: 0.091 ~ 62.5Kbps (G)FSK: 0.6 ~ 300Kbps
Transmission power: -9~22dBm@Sub-GHz band, -18~13dBm@ISM band
Reception sensitivity: -127dBm@Sub-GHz band, SF=7, CR4_5, BWL=125KHz -111dBm@ISM band, SF=7, CR4_5, BWL=800KHz
Reference communication distance: Sub-GHz band, 5km ISM band, 2km
Spreading factor: SF5 ~ SF12
Electrical characteristics

Operating voltage: 3.3V (up to 3.8V)
Logic voltage: 3.3V (other logic levels require a level converter)
Module power consumption: Transmission Current: 115mA@22dBm Sub-GHz, 25mA@13dBm ISM / Reception current: 9.2mA@125KHz Sub-GHz, 8.1mA@125KHz ISM

Hardware characteristics

Communication port: SPI
Crystal oscillator: TCXO 32MHz
Antenna interface: IPEX-4 or castellated module (Castellated module requires additional operation, please refer to the Wiki information for details)
Antenna Protection: TVS protection
Operating temperature: -40 ~ 85℃
Port type: Castellated module, 2.54mm pitch
Dimensions: 19.00mm × 22.00mm

Package Includes

Core1121-HF x1
IPEX4 to SMA cable x1
2DB SMA antenna x1
2.4G antenna x1

Pinout definition

Application example

Industrial environment, smart home, and data acquisition..

Dimensions

Warranty Terms :

Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.

Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.

What to take care of ?

Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.

Who pays the return shipping cost?

Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.

What voids warranty?

Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.

If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.

Following items are not eligible for return under any circumstances