نتایج جستجو برای: cordless telephone

تعداد نتایج: 49858  

Journal: :IEEE Journal on Selected Areas in Communications 2001
Phone Lin Yi-Bing Lin

As wireless technology advances, wireless products are integrated with enterprise networking to offer cordless terminal mobility. Most corporations have deployed wireless PBXs at the departmental level. However, the mobility management mechanism that integrates these facilities at the corporation level may not be available. This paper describes a mobility management mechanism for an enterprise ...

Journal: :International journal of oncology 2011
Lennart Hardell Michael Carlberg Kjell Hansson Mild

We studied the association between use of mobile and cordless phones and malignant brain tumours. Pooled analysis was performed of two case-control studies on patients with malignant brain tumours diagnosed during 1997-2003 and matched controls alive at the time of study inclusion and one case-control study on deceased patients and controls diagnosed during the same time period. Cases and contr...

Journal: :Electromagnetic biology and medicine 2014
Marie-Claire Cammaerts Olle Johansson

Society is confronted with an increasing number of applications making use of wireless communication. We also notice an increasing awareness about potentially harmful effects of the related electromagnetic fields on living organisms. At present, it is not realistic to expect that wireless communication will decrease or disappear within the near future. That is why we currently are investigating...

Journal: :International archives of occupational and environmental health 2005
Lennart Hardell Mikael Eriksson Michael Carlberg Christer Sundström Kjell Hansson Mild

OBJECTIVES To evaluate the use of cellular and cordless telephones as the risk factor for non-Hodgkin's lymphoma (NHL). METHODS Male and female subjects aged 18-74 years living in Sweden were included during a period from 1 December 1999 to 30 April 2002. Controls were selected from the national population registry. Exposure to different agents was assessed by questionnaire. RESULTS In tota...

2013
Mary Redmayne

BACKGROUND Cellphone and cordless phone use is very prevalent among early adolescents, but the extent and types of use is not well documented. This paper explores how, and to what extent, New Zealand adolescents are typically using and exposed to active cellphones and cordless phones, and considers implications of this in relation to brain tumour risk, with reference to current research finding...

2013
LENNART HARDELL MICHAEL CARLBERG FREDRIK SÖDERQVIST KJELL HANSSON MILD

Previous studies have shown a consistent association between long-term use of mobile and cordless phones and glioma and acoustic neuroma, but not for meningioma. When used these phones emit radiofrequency electromagnetic fields (RF-EMFs) and the brain is the main target organ for the handheld phone. The International Agency for Research on Cancer (IARC) classified in May, 2011 RF-EMF as a group...

Journal: :European journal of cancer prevention : the official journal of the European Cancer Prevention Organisation 2002
L Hardell A Hallquist K Hansson Mild M Carlberg A Påhlson A Lilja

Microwave exposure from the use of cellular telephones has been discussed in recent years as a potential risk factor for brain tumours. We included in a case-control study 1617 patients aged 20-80 years of both sexes with brain tumour diagnosed between 1 January 1997 and 30 June 2000. They were alive at the study time and had histopathologically verified brain tumour. One matched control to eac...

Journal: :International journal of andrology 2007
L Hardell M Carlberg C-G Ohlson H Westberg M Eriksson K Hansson Mild

A case-control study on testicular cancer included use of cellular and cordless telephones. The results were based on answers from 542 (92%) cases with seminoma, 346 (89%) with non-seminoma, and 870 (89%) controls. Regarding seminoma the use of analog cellular phones gave odds ratio (OR) = 1.2, 95% confidence interval (CI) = 0.9-1.6, digital phones OR = 1.3, CI = 0.9-1.8, and cordless phones OR...

Journal: :BMC Public Health 2007
Fredrik Söderqvist Lennart Hardell Michael Carlberg Kjell Hansson Mild

BACKGROUND Recent years have seen a rapid increase in the use of mobile phones and other sources of microwave radiation, raising concerns about possible adverse health effects. As children have longer expected lifetime exposures to microwaves from these devices than adults, who started to use them later in life, they are a group of special interest. METHODS We performed a population-based stu...

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