Detailed Answer
GFSK (Gaussian Frequency Shift Keying) adds a Gaussian filter to FSK for pulse shaping, reducing out-of-band radiation, improving spectrum efficiency, and providing good anti-interference and bit error performance. It is one of the most common modulation schemes in industrial remote controls: the LIDER LD series uses GFSK modulation + FHSS, balancing anti-interference and power consumption. The modulation scheme affects communication quality and anti-interference capability; GFSK is superior to ordinary ASK.
| Principle | FSK + Gaussian filter |
| Advantages | Low out-of-band radiation |
| Application | LIDER standard |
Note:Pay attention to the modulation scheme when selecting; GFSK/FSK is better than ASK.