In the world of IoT connectivity, LoRa technology has revolutionized long-range, low-power communications. Now, Semtech introduces the LR2021, the first transceiver of the new line LoRa Plus, which introduces significant improvements in range, transmission speed, and compatibility with multiple wireless networks and protocols.
With a revamped architecture and support for terrestrial and satellite networks, this chip is emerging as a key solution for advanced IoT applications. Below, we explore its features and benefits in detail.
Features of the Semtech LR2021
El LR2021 It's not just an evolution of LoRa technology, but a significant leap forward in terms of performance and compatibility. These are the most relevant specifications:
- Compatibility with terrestrial and satellite networks (NTN), operating in sub-GHz, 2.4 GHz ISM and licensed S-band.
- Compatible with previous LoRa devices, ensuring a smooth transition for manufacturers.
- Includes support for various modulations such as FLRC (up to 2.6 Mbps), LoRa (up to 200 kbps), FSK, OOK, O-QPSK and LR-FHSS.
- Architecture designed to reduce costs of materials (BOM), PCB space and energy consumption.
Support for multiple wireless protocols
One of the most interesting points of the LR2021 is its compatibility with a wide variety of low-power wireless protocols. Among them are:
- Amazon Sidewalk: Used in Smart Home devices and community networks.
- Meshtastic: Ideal for decentralized communication networks.
- Wireless M-Bus (W-MBUS) and Wi-SUN FSK: Focused on smart metering applications and industrial networks.
- Z-Wave: Applied in home automation.
Improved performance and energy efficiency
El LR2021 introduces significant improvements in energy efficiency and transmission performanceThanks to its optimized design, it offers:
- A configurable transmit power range between +22 dBm and -10 dBm.
- Improved sensitivity of up to -142 dBm on LoRa SF12/125 kHz, allowing long-range communications with minimal interference.
- Power consumption on reception of just 5.5 mA, extending the life of battery-powered devices.
Applications of Semtech LR2021
Thanks to its versatility and high performance, this transceiver enables new possibilities in various applications:
- Security and vigilance: Used in gunshot and glass break detection sensors.
- smart cities: Applications such as traffic monitoring and parking systems.
- Health & Wellness: Implementation on devices for the fall detection and patient monitoring.
- Industry and Smart Grids: Ideal for data transmission in power and industrial automation networks.
Availability and future developments
Semtech has announced that the LR2021 will be available for testing in April 2025. Those interested can learn more about this transceiver at industry events such as Embedded World in Germany and DistribuTECH U.S..
The launch of the LR2021 reinforces Semtech's leadership in the evolution of IoT connectivity. Its support for multiple protocols, Energy Efficiency y high performance making it a key solution for the future of wireless communications. For more information on how to choose the right devices, you can check out this article on How to choose 3D printers.
