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Semtech SX1301 | Demoboard SX1301 Reference Board - SX1301AP1CAS - 915MHz

Digital Baseband Chip for outdoor LoRaWAN™ macro gateways


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IC revisione286V02b


The SX1301 digital baseband chip is a massive digital signal processing engine specifically designed to offer breakthrough gateway capabilities in the ISM bands worldwide. It integrates the LoRa concentrator IP. The LoRa concentrator is a multi-channel high performance transmitter/receiver designed to simultaneously receive several LoRa packets using random spreading factors on random channels. Its goal is to enable robust connection between a central wireless data concentrator and a massive amount of wireless end-points spread over a very wide range of distances. The SX1301 is targeted at smart metering fixed networks and Internet of Things applications.


  • Up to -142.5dBm sensitivity with SX1257 Tx/Rx front-end
  • 70 dB CW interferer rejection at 1 MHz offset
  • Able to operate with negative SNR, CCR up to 9dB
  • Emulates 49x LoRa demodulators and 1x (G)FSK demodulator
  • Dual digital TX&RX radio front-end interfaces
  • 10 programmable parallel demodulation paths
  • Dynamic data-rate (DDR) adaptation
  • True antenna diversity or simultaneous dual-band operation

Typical applications

  • Smart Metering
  • Security Sensors Network
  • Agricultural Monitoring
  • Internet of Things (IoT)

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