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Semtech - SX1272/73

Long Copy - 201710 Semtech SX1272

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SX1272/73: the ultimate long range wireless solution

The SX1272/73 transceivers feature the LoRa™ long range modem that provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption.
 

Using Semtech’s patented LoRa™ modulation technique SX1272/73 can achieve a sensitivity of over -137 dBm using a low cost crystal and bill of materials. The high sensitivity combined with the integrated +20 dBm power amplifier yields industry leading link budget making it optimal for any application requiring range or robustness. LoRaTM also provides significant advantages in both blocking and selectivity over conventional modulation techniques, solving the traditional design compromise between range, interference immunity and energy consumption.

 

SX1272 SX1273 Ultimate Long Range Wireless Solution

 

Features Target Applications Product Benefits
  • LoRa™ 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
  • Automated meter reading
  • Home and building automation
  • Wireless alarm and security systems
  • Industrial monitoring and control
  • Long range irrigation systems
  • Low power
  • Long range
  • Long battery life
  • Low cost.

 

 LoRa® technology

SX1272 SX1273 Ultimate Long Range Wireless Solution

 

 

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