The WS8411FLS is a dual-band wireless SPI module based on Semtech’s third-generation ultra-low power LoRa® RF chip LR1121. It supports Sub-GHz and 2.4GHz bands with maximum transmit power of 22dBm and 13dBm, respectively. The LR1121 provides multi-band LoRa and long-range frequency hopping spread spectrum (LR-FHSS) communication in Sub-GHz and 2.4GHz bands, as well as satellite S-band connectivity. It is compliant with the physical layer of the LoRaWAN® standard and configurable for proprietary protocols.
Supports dual-band operation: Sub-GHz and 2.4 GHz
Sub-GHz band transmit power can reach up to 22dBm
The maximum transmit power in the 2.4GHz band can reach 13dBm.
Supports LoRa, (G)FSK, LR-FHSS modulation
Fully compatible with SX1261/2/8 devices and LoRaWAN standard defined by LoRa Alliance
High air data rate, up to 300 kbps
Supports AES-128 encryption/decryption
4-wire SPI communication interface
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