6,486 Studies Reviewed. 85.2% of Original Studies Found Biological Effects. The Evidence is Clear.
Shield Your Body

Cordless Phone Radiation Research

RF Radiation

Research on electromagnetic radiation from DECT cordless phones, which transmit continuously even when idle.

440
Studies
90%
Showed Bioeffects
1
EMF Type
1.9-1.9 GHz
Frequency

About Cordless Phones (DECT) EMF

  • -That cordless phone sitting in your kitchen or living room may seem like a harmless relic from the pre-smartphone era, but it's actually one of the most potent sources of radiofrequency (RF) radiation in your home.
  • -DECT phones (Digital Enhanced Cordless Telecommunications) operate at 1.9 GHz, continuously transmitting RF signals between the handset and base station even when you're not making calls.
  • -Think of it like having a mini cell tower running 24/7 in your house, except this one sits just inches from your head during conversations and often much closer to your body throughout the day.

That cordless phone sitting in your kitchen or living room may seem like a harmless relic from the pre-smartphone era, but it's actually one of the most potent sources of radiofrequency (RF) radiation in your home. DECT phones (Digital Enhanced Cordless Telecommunications) operate at 1.9 GHz, continuously transmitting RF signals between the handset and base station even when you're not making calls.

Related Studies (440)

Whole Body / General
Not an original health-effects study

VHF-UHF RADIATION HAZARDS AND SAFETY GUIDELINES

J. Damelin · 1971

The report explains that high-power VHF-UHF radiation can harm people and animals by overheating tissue. It defines radiation protection guide numbers of 10 and 1.0 milliwatts per square meter for different temperature-humidity indices. If the curves indicate a potential hazard, the actual antenna system must be analyzed with extensive near-field calculations.

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Whole Body / General

BIOLOGICAL EFFECTS OF MICROWAVE RADIATION, PART 1

Heering, van Osch · 1971

The report defines microwave radiation as electromagnetic radiation covering the range between conventional radio waves and far infrared. It explains that microwave absorption in tissues depends on water content and frequency, with fat allowing deeper penetration than muscle. The report classifies biological effects into thermal, specific thermal, and non-thermal categories and notes that harmful thermal effects usually occur at power densities exceeding 100 aW/on.

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Whole Body / General

Essai de corrélation entre l'évolution d'une affection par Trypanosoma equiperdum et l'action d'une onde électromagnétique pulsée et modulée

André-Jean Berteaud et al. · 1971

This 1971 French study investigated whether pulsed and modulated UHF electromagnetic radiation could influence the development of Trypanosoma equiperdum infections in laboratory animals. The research examined the relationship between EMF exposure and parasitemia (parasite levels in blood), representing early work connecting electromagnetic fields to biological infection processes.

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Whole Body / General

RADIOFREQUENCY and MICROWAVE RADIATION LEVELS RESULTING FROM MAN-MADE SOURCES in the WASHINGTON, D.C., AREA

Stephen W. Smith, David G. Brown · 1971

This 1971 government study measured radiofrequency and microwave radiation levels from man-made sources throughout the Washington DC area. The research documented the electromagnetic environment in the nation's capital, providing baseline measurements of RF and microwave exposure from various transmission sources. This early work helped establish understanding of urban electromagnetic pollution levels during the dawn of the wireless age.

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Whole Body / General

Microwave oven test load evaluation and determination of internal microwave energy distribution

Harry Levine, Robert L. Moore · 1970

This 1970 government technical report examined how microwave energy distributes inside microwave ovens and evaluated methods for testing oven safety. The research developed analytical techniques to measure internal energy patterns and assess test load performance. This foundational work helped establish safety standards for microwave oven design and operation.

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Whole Body / General

Introduction to microwave energy principles and applications

William A. Herman · 1970

The document explains that microwave radiation interacts with biological systems mainly by heating tissue. The accepted biological damage from excessive exposure is hyperthermia, with certain organs like the eyes and testicles being most sensitive. Cataract formation in the eye occurs at power densities of hundreds of mW/cm², while testicular damage can occur at about 10 mW/cm² but is slight and recoverable.

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FAQs: Cordless Phones (DECT) EMF Research

That cordless phone sitting in your kitchen or living room may seem like a harmless relic from the pre-smartphone era, but it's actually one of the most potent sources of radiofrequency (RF) radiation in your home. DECT phones (Digital Enhanced Cordless Telecommunications) operate at 1.
The SYB Research Database includes 440 peer-reviewed studies specifically examining cordless phones (dect) electromagnetic radiation and its potential health effects. These studies have been conducted by researchers worldwide and published in scientific journals. The research examines various biological endpoints including cellular effects, neurological impacts, reproductive health, and other health outcomes.
90% of the 440 studies examining cordless phones (dect) electromagnetic radiation found measurable biological effects. This means that 396 studies documented observable changes when organisms were exposed to cordless phones (dect) EMF. The remaining studies either found no significant effects or had inconclusive results.