LoRa Sensitivity Calculator | LoRa Sensitivity Formula
This page mentions LoRa Sensitivity calculator. It mentions LoRa Sensitivity calculation Formula. LoRa Sensitivity calculator takes spreading factor, bandwidth and noise figure as inputs and provides Sensitivity as output.
Following table is used in this calculator.
SF (Spreading Factor) | Chips/Symbol | SNR limit | Time on Air for 10 byte packet (ms) | Bit Rate (bps) |
---|---|---|---|---|
7 | 128 | -7.5 | 56 | 5470 |
8 | 256 | -10 | 103 | 3125 |
9 | 512 | -12.5 | 205 | 1758 |
10 | 1024 | -15 | 371 | 977 |
11 | 2048 | -17.5 | 741 | 537 |
12 | 4096 | -20 | 1483 | 293 |
LoRa Sensitivity Calculator
EXAMPLE of LoRa Sensitivity Calculator:
INPUTS : SF = 12, BW =125 KHz, NF = 6dB, (Calculator internally gives SNR of -20 dB according to SF entered)
OUTPUTS: LoRa Sensitivity = -137 dBm
Formula/Equations used in LoRa Sensitivity Calculator
Following LoRa Sensitivity formula/equation is used in this LoRa sensitivity calculator.

Also refer LoRa tutorial and LoRa technology basics which mentions LoRa system features, protocol stack, physical layer, MAC layer, frequency bands, LoRa Classes, LoRa transceiver etc.
LoRa Calculators
LoRa Wireless Related Links
The LoRa Wireless tutorial covers following sub topics:
Main page LoRa tutorial LoRa Frequency Bands LoRa protocol stack LoRa MAC layer LoRaWAN classes LoRa features LoRa Transceiver module LoRaWAN wireless transceiver vendors
Main page LoRa tutorial LoRa Frequency Bands LoRa protocol stack LoRa MAC layer LoRaWAN classes LoRa features LoRa Transceiver module LoRaWAN wireless transceiver vendors
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