Glossary Definition for GFSK

Glossary Term: GFSK 

Definition

Gaussian frequency-shift keying: A type of FSK modulation which uses a Gaussian filter to shape the pulses before they are modulated. This reduces the spectral bandwidth and out-of-band spectrum, to meet adjacent-channel power rejection requirements.

Bluetooth uses GFSK.

Synonyms
  • Gaussian frequency-shift keying

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