CWNP CWISA-102 Question Answer
What modulation is used by LoRa?
OFDMA
CSS
ASK
OFDM
LoRa Modulation: LoRa (Long Range) is a proprietary wireless technology that utilizes Chirp Spread Spectrum (CSS) modulation.
CSS Characteristics:
Spread spectrum technique for resilience against interference.
Chirps (frequency sweeps) enable operation below the noise floor for long range.
References
LoRa: https://en.wikipedia.org/wiki/LoRa
Chirp Spread Spectrum (CSS): https://en.wikipedia.org/wiki/Chirp_spread_spectrum
TESTED 06 Jul 2025
Copyright © 2014-2025 ACE4Sure. All Rights Reserved