LoRa / FSK Modulation & Doppler Shift Analyzer

Compare LoRa spreading factors (SF7–SF12), sensitivity, 32-byte time-on-air, and LEO horizon Doppler shift limits.

LoRa / FSK & Carrier Settings

LoRa Spreading Factor

Channel bandwidth

Carrier frequencyMHz

Orbit altitudekm

Receiver sensitivity−134.5 dBmReq SNR: −15.0 dB

Equivalent bit rate977 bps

32-byte Time-on-Air453 ms

Horizon Doppler shift±10.23 kHz

Static LoRa Doppler limit31 Hz

Symbol duration T_s8.19 ms