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Semtech SX1250 Multi-band Sub-GHz RF Front End

Semtech SX1250 Multi-band Sub-GHz RF Front End is designed to work with the SX1302 baseband engine, to design a high-performing LoRa® or LoRaWAN gateway. Semtech SX1250 Front End covers any frequency band below 1GHz, making the device ideal for license-free band support.

The SX1250 supports up to +22dBm output power on-chip and can be leveraged to reduce the cost of materials when designing a gateway. The need for an external high-end and power-consuming Low Noise amplifier is eliminated due to the extremely low noise figure of the system.

Features

  • Regional support
    • Europe 868MHz
    • India 866MHz
    • North America 915MHz
    • APAC 920MHz
    • Asia 923MHz
    • Lower UHF bands 169MHz and 433MHz or 490MHz
  • Supports up to +22dBm output power on-chip
  • Covers any frequency band below 1GHz, making the device ideal for license-free band support

Applications

  • LoRa gateways
  • LoRaWAN gateways

Block Diagram

Block Diagram - Semtech SX1250 Multi-band Sub-GHz RF Front End

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Semtech SX1302 LoRa® Gateway Baseband Transceivers

Reduces current consumption and simplifies the thermal design while decreasing BOM costs.

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Publicado: 2019-08-15 | Actualizado: 2023-06-16