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Semtech SX1272

SX1272/73 - 860 MHz to 1020 MHz Low Power Long Range Transceiver


TopologyOther Topology
Switching frequency125-500 kHz
IC revision3


Long Range, Low Power RF Transceiver 860-1000MHz with LoRa® TechnologyDesign engineer in Switzerland - "EMr".


LoRaTM Modem 157 dB maximum link budget +20 dBm at 100 mW constant RF output vs. V supply +14 dBm high efficiency PA Programmable bit rate up to 300 kbps High sensitivity: down to -137 dBm Bullet-proof front end: IIP3 = -12.5 dBm 89 dB blocking immunity Low RX current of 10 mA, 100 nA register retention Fully integrated synthesizer with a resolution of 61 Hz FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation Built-in bit synchronizer for clock recovery Preamble detection 127 dB Dynamic Range RSSI Automatic RF Sense and CAD with ultra-fast AFC Packet engine up to 256 bytes with CRC Built-in temperature sensor and low battery indicator

Typical applications

  • Industrial Monitoring and Control
  • Long range Irrigation Systems
  • Home and Building Automation
  • Wireless Alarm and Security Systems
  • Automated Meter Reading

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