EMF Guideline:
Radio frequency radiation
Minimize your exposure to radio frequency radiation as much as possible.
In areas where you spend more than 4 hours a day,
keep your exposure at least below the recommended precautionary values.
Precautionary values
RF source (peak hold value)
Radio broadcast (FM)
TETRA
DVB-T
DECT cordless phone
GSM: 2G wireless communications system
UMTS: 3G wireless communications system
LTE: 4G wireless communications system
Wi-Fi: 2.4 GHz / 5 GHz (10 Hz pulse)
DAB+ (10.4 Hz pulse)
GPRS: 2.5G with PTCOH (8.33 Hz pulse)
µW/m2
µW/m2
µW/m2
µW/m2
µW/m2
µW/m2
µW/m2
µW/m2
µW/m2
µW/m2
Sensitive
populations
100
10
10
1
1
1
1
0.1
Different RF sources have different precautionary values due to their different signal characteristics;
see Supplement 3 for the specific crest factor, pulse frequency and characteristic of each listed RF source.
0.1
0.1
LTE — Long Term Evolution (4G)
PTCCH — Packet Timing Control Channel
TETRA — Terrestrial Trunked Radio
UMTS — Universal Mobile Telecommunications (3G)
DAB+ — Digital Audio Broadcasting
DECT — Digital Enhanced Cordless Telecommunications
DVB-T — Digital Video Broadcasting-Terrestrial
GPRS — General Packet Radio Service (2.5g)
GSM — Global System for Mobile Communications (2G)
Daytime exposure
10,000
1,000
1,000
100
100
100
100
10
10
10
Nighttime exposure
1,000
100
100
10
10
10
10
1
1
1
Measurement specifications
Basis for evaluation
Peak hold / max hold value
Short-term spot measurement
Across bed or workplace
Identify RF source(s)
Last modified on 13 February 2025
Measuring instruments and methods
Spectrum analyzer or band-specific RF meter
Isotropic, biconical, or logarithmic-periodic antenna
Electric field in V/m or
calculated power density in µW/m2RF sources:
Radio and TV transmitters
Cell antenna sites: TETRA, GMS, UMTS, LTE
Cordless phones: DECT
Wi-Fi
WiMAX
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