Calculators » Wireless and Cellular » LoRa Link Budget Calculator and Formula

LoRa Link Budget Calculator and Formula

lora
link budget
calculator
rf
sensitivity

This page provides information about the LoRa Link Budget calculator and the LoRa Link Budget calculation formula. The LoRa Link Budget calculator uses the LoRa receiver sensitivity and transmitter power as inputs to calculate the Link Budget or received power as the output.

Use the following formula, or the LoRa Sensitivity Calculator, to calculate the LoRa Link Budget.

The LoRa Link Budget is calculated using the receiver sensitivity of the LoRa chip.

LoRa Sensitivity Formula

Inputs

Outputs

EXAMPLE:

  • INPUTS: Calculated receiver sensitivity = -137 dBm, Tx Power = 17 dBm
  • OUTPUTS: LoRa Link Budget or Received Power = -120 dBm

The following LoRa Link Budget formula/equation is used in this calculator.

LoRa Link Budget Formula

Refer to the RF Budget Calculator with the image and equations mentioned below.

rf link budget

rf link budget equation

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