LR1121-dat
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 and L-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.
https://www.semtech.com/products/wireless-rf/lora-connect/lr1121
LR1121 vs SX1262 Comparison
| Feature | LR1121 | SX1262 |
|---|---|---|
| Frequency Range | 430 MHz to 960 MHz | 150 MHz to 960 MHz |
| Modulation | LoRa, (G)FSK | LoRa, FSK |
| Max. TX Power | +22 dBm | +22 dBm |
| RX Sensitivity | Down to -148 dBm | Down to -148 dBm |
| Geolocation | Integrated (GNSS Scan) | No |
| BPSK Modulation | Yes | No |
| LoRaWAN Compliance | Yes | Yes |
| Typical Applications | Asset Tracking, Geolocation IoT | General IoT, Smart Metering, Remote Control |
| Power Consumption | Optimized for Low Power Geolocation | Optimized for Low Power Communication |
Summary:
- The LR1121 is designed for applications requiring geolocation capabilities, integrating GNSS scanning for asset tracking and similar use cases.
- The SX1262 is a general-purpose, low-power LoRa transceiver suitable for a wide range of IoT applications where geolocation is not a primary requirement.