From: The relationship between adolescents’ well-being and their wireless phone use: a cross-sectional study
Frequency
Modulation system
30-40 MHz
Analogue
900 MHz
Analogue, DECT, DSS,
1.8-1.9 GHz
DECT, DECT 6, W-DECT
2.4 GHz
W-DECT, DSS
5.8 GHz
DSS, FHSS,