Invisible threat - PowerPoint PPT Presentation

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Invisible threat

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  1. Invisible threat Rocky(Wataru Sarae)

  2. Fill in the blank! microwaves www.CartoonStock.com

  3. Microwave oven & Cell phone

  4. Specific Absorption Rate (SAR) SAR: Amount of radio wave energy absorbed by the body during cell phone use. SAR Limits – Non Occupational for given tissue masses 1g (USA) 10g (others) (exposure time: 6 min) unit: W/kg

  5. Repeat-ability Utteridge 2002 ? Adey, 2002 ? Reports http://www.wave-guide.org/library/studies.html http://www.mcw.edu/gcrc/cop/cell-phone-health-FAQ/toc.html


  6. "Prudent avoidance" • Don't push a cell phone on your head • Don't push a cell phone on your head 2) Keep your phone as far from your body as possible especially during sending and receiving. 2) Keep your phone as far from your body as possible especially during sending and receiving. 3) Use a cell phone where the reception is good. 3) Use a cell phone where the reception is good. 4) Extend Antenna to its full length. 4) Extend Antenna to its full length. 5) Use headset. 5) Use headset. 6) Use low-SAR cell phone. 6) Use low-SAR cell phone.

  7. Worst 10* Manufacturer / Model number SAR rating(1.6W/kg) 1 Motorola 120e 1.59 1 Motorola V60x 1.59 1 Motorola V120e 1.59 4 Motorola C332 1.58 4 Motorola C333 1.58 4 Motorola C341 1.58 4 Motorola C343 1.58 4 Motorola L6 1.58 4 Motorola ST7897 1.58 10 Motorola RAZR V3c 1.56 *out of 826 models How much is the SAR of your cell phone? http://www.sarshield.com/english/radiationchart.htm

  8. In case ... In case ... - you have a HIGH-SAR cell phone, - you DON'T have a headset, - the reception is POOR.