Study type: Medical/biological study (experimental study)

Influence of low power cm-/mm-microwaves on cardiovascular function med./bio.

By: Muller J, Hadeler KP, Muller V, Waldmann J, Landstorfer FM, Wisniewski R, Kantz J, Lang F
Published in: Int J Environ Health Res 2004; 14 (5): 331-341
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Aim of study (acc. to author)

To study physiological effects (ECG, respiration, skin temperature, blood pressure) of short exposure to low level energy microwaves emitted by an automobile radar system for adaptive cruise control on subjects.

Endpoint

Exposure

Exposure Parameters
Exposure 1: 77 GHz
Modulation type: pulsed
Exposure duration: 15 min

Exposure 1

Main characteristics
Frequency 77 GHz
Charakteristic
Polarization
  • circular
Exposure duration 15 min
Modulation
Modulation type pulsed
Pulse width 35 ns
Repetition frequency 350,000 Hz
Additional info

Pulse duty cycle of 1:80
Exposure setup
Exposure source
Distance between exposed object and exposure source 2.5 m
Sham exposure A sham exposure was conducted.
Parameters
Measurand Value Type Method Mass Remarks
power density 3 µW/cm² effective value - - -
power density 2.4 W/m² peak value calculated - -

Exposed system:

Methods Endpoint/measurement parameters/methodology

Investigated system:
Investigated organ system:
Time of investigation:
  • before exposure
  • during exposure
  • after exposure

Main outcome of study (acc. to author)

The results did not reveal any statistically significant effect of low level energy radiofrequency microwave exposure on the parameters tested.

Study character:

Study funded by

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