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LR1121
LoRa Connect LR1121 for Multi-Band Global Connectivity
The LR1121 is Semtech’s third generation ultra-low power LoRa® transceiver. It provides multi-band LoRa and Long Range - Frequency Hopping Spread Spectrum (LR-FHSS) communication over sub-GHz and 2.4GHz ISM bands as well as satellite S-Band connectivity. The LR1121 is designed to comply with the physical layer requirements of the LoRaWAN® specification released by the LoRa Alliance®, while remaining configurable to meet different application requirements and proprietary protocols.
- Low-power high-sensitivity LoRa/(G)FSK half-duplex RF transceiver
- Worldwide ISM frequency bands support in the range 150 - 960MHz (sub-GHz) and 2.4GHz, as well as 2.1GHz S-Band
- Low noise figure RX front-end for enhanced LoRa/(G) FSK sensitivity
- High power PA path +22dBm in the sub-GHz band
- PA path up to +11.5dBm in the 2.4GHz band
- LR-FHSS modulator
- Integrated PA regulator supply selector to simplify dual power +15/+22dBm with one board implementation (sub-GHz)
- Able to support world-wide multi-region BOM, the circuit adapts to matching network to satisfy regulatory limits
- Fully compatible with SX1261/2/8 devices and the LoRaWAN standard, defined by the LoRa Alliance
Cryptographic Engine
- Supports AES-128 encryption/decryption based algorithms
- Handles device parameters such as DevEUI and JoinEUI, as defined by the LoRa Alliance
- Protects confidential information such as encryption keys against unauthorized access
- Stores of NwkKey, AppKey, as defined in the LoRaWAN standard
Semtech Corporation is a high-performance semiconductor, IoT systems and Cloud connectivity service provider dedicated to delivering high quality technology solutions that enable a smarter, more connected and sustainable planet.
Sierra Wireless is part of Semtech and connects people and machines worldwide in the mobile network. The offering includes 2G, 3G and 4G Mini Cards as well as OEM modules, highly integrated gateways and software solutions. Also available are optimized GSM/GPRS/EDGE, HSPA/UMTS and LTE products for markets such as embedded computing, medical, telematics and tracking.
