First LoRa Plus transceiver with multi-PHY front end
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Semtech has launched the first chip in its LoRa Plus range with its fourth generation wireless technology for multiple frequency operation.
The LR2021 transceiver supports both terrestrial and satellite networks in the Sub-GHz, 2.4 GHz ISM bands and licensed S-band in a single device. The transceiver is backward compatible with previous LoRa devices for use with LoRaWAN networks and adds physical layer modulation for fast long-range communication (FLRC).
The LR2021 supports sensor data transmission for applications such as gunshot detection, glass break sensing, license plate recognition and fall detection, while operating on small batteries for years.
FLRC means the transceiver now supports a data rate of up to 2.6 Mbit/s for audio streaming and image transfers in the Internet of Things with a +22 dBm to -10 dBm transmitter and sensitivity down to -142 dBm at SF12/125 kHz.
The LoRa protocol provides up to 200 kbit/s and supports Amazon Sidewalk in the US, while FSK, OOK, O-QPSK and LR-FHSS modulations support other protocols such as Meshtastic, W-MBUS, Wi-SUN FSK, and Z-Wave when integrated with third-party stacks.
“The LR2021 revolutionizes IoT connectivity by addressing key challenges for AI-powered deployments of any scale,” said Shahar Feldman, senior product marketing director for LoRa ICs at Semtech.
“Whether for European utilities requiring both LoRaWAN and W-MBUS, North America utilities with LoRaWAN and Wi-Sun FSK, or security systems and smart home applications necessitating long range LoRa connectivity with protocols such as Z-Wave, this single-chip solution simplifies complexity and enhances performance. LoRa data rates are now increased to support an extended range of applications, from small payload sensor data to high-definition image transfer, facilitating the development of a new generation of intelligent IoT devices.”
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