memon® Environmental Technologies GmbH



Telephone info

What is telephone radiation?

Like electricity, everyday life is inconceivable without mobile and cordless phones. Mobile and cordless phones emit electromagnetic waves which are modulated. Modulation defines the carrier wave for the information. The mobile phone networks currently installed emit in a range between 800 megahertz and 1.9 gigahertz. The new networks will transmit in the 2.4 and 2.8 gigahertz range and even at 4 and 5 gigahertz. While nature works with continuous vibrations, modern mobile phone technology transmits unnatural, pulsed vibrations. These pulsed - i.e. switched on an off periodically - vibrations disrupt biological processes and penetrate deep inside homes and buildings through even the tiniest of gaps. Because of resonance phenomena, these waves can vibrate into biological systems and thus considerably influence our health.

Telephone radiation and its properties


Depending on the network (D or E networks), transmissions are in the frequency ranges 0.8 to 0.9 GHz (gigahertz) and 1.8 to 1.9 GHz. It is the pulsing that makes the microwave radiation of mobile phones particularly damaging. When switched on, a mobile phone is a transmitter which radiates directly into the head. Research by Prof Leif-Salford (a neurosurgeon at the Swedish University in Lund) on rat brains has shown that mobile phone radiation can open the blood brain barrier and thus allow "toxins" easier access to the brain. Electromagnetic radiation caused dark spots, known as necro-secrens, in the damaged brains of the test animals. Destroyed nerve cells can lead to neurological failure and problems. For children and young people, it is significantly more dangerous to be subjected to this radiation as their central nervous systems are not yet fully developed.

DECT cordless telephone

Cordless DECT telephones are like your own mobile phone station in the home. These devices transmit at around 1.8 gigahertz with a frequency of 100 Hertz. These devices are permanent transmitters, i.e. they emit their pulsed high-frequency radiation around the clock. This occurs even when you are not making calls and the receiver is on the charger. The latest generation of DECT telephones has already reacted to this fact. Now they only transmit when there is a signal.

Research findings on the effect of pulsed radiation:

  • Damage to genetic material (DNA breakage)
  • Disruption to cell communication
  • Influence on the central nervous system
  • Weakening of the immune system Effects on the hormone system
  • Reduction of the control hormone melatonin
  • Increased risk of cancer
  • Tendency to infertility, deformity and irregularities in pregnancy
  • Opening of the blood brain barrier
  • EEG changes, even when asleep

The following health problems have been observed in conjunction with pulsed transmission technology:

  • Nervous complaints: Headaches, disturbed sleep, concentration problems, exhaustion, tiredness, depression and irritability Reduction of ability to learn
  • Problems falling asleep and staying asleep
  • Behavioural problems in children, such as hyperactivity and aggressiveness, learning difficulties, growth problems, developmental problems
  • Heart rate problems and high blood pressure
  • Noises in the ear (tinnitus) and dizziness
  • Eye irritation and problems with sight
  • Changes in blood patterns, especially in children, the red blood cells do not mature properly. So they have a reduced capacity to transport oxygen. The result is anaemia-like symptoms.
  • Problems with microcirculation - Poor circulation
  • Risk of thrombosis due to clotting, i.e. clumping of the red blood cells in the small blood vessels Worsening of existing conditions is also possible
  • Cancer, especially brain tumours

Radiation from telephones

It is assumed in various scientific circles that the use of mobile phones and telephone systems could have a detrimental effect on physical wellbeing and on brain activity.

Possible consequences of the use of mobile phones and telephones:

  • Increased break-up of DNA structures in brain cells
  • Increased production of stress proteins, changes of brain flows Headaches, unrest, eye infections
  • Increased incidence of brain tumours
  • Memory problems
  • Lack of concentration
  • Tiredness, etc.


Up to 30 minutes after a mobile phone conversation, there is an increased risk of accident because of the disruption of neuro-physiological processes. Even after using a mobile phone for just a few minutes, the blood brain barrier can become permeable: Destruction of nerve cells thanks to the penetration of albumin and products of metabolism (body toxins).

Possible consequences:

  • Weakening of the immune system
  • Effects on the hormone system, reduction of the control hormone melatonin
  • Increased risk of cancer
  • Tendency to infertility, deformity and irregularities in pregnancy
  • Damage to genetic makeup (DNA)
  • Increased risk of head and eye tumours

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