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Precaution to reduce mobile radiation in human beings
1. School of Engineering and Technology
Presentation on:
Precaution to reduce mobile radiation in human
beings
Made By:-
Abhiraj Bohra
2. Cell Phone - Background
• Use of cell phones has grown dramatically over the
last fifteen years.
• Operate at frequencies slightly higher than TV and
FM Radio signals .
• Analog and digital phones operate in the frequency
range of 900 - 1800 MHz.
• The maximum powers of these phones are 2W and
1W (900 and 1800 MHz respectively). Average
power are 1/8 of maximum.
4. Purchase a cell phone that rates as low as possible on
the scale of radiation emissions:
Low SAR(Specific Adsorption Rate) value
SAR value is used to indicate how much radiation is absorbed by
human body when the handset is used at maximum power
Ideal SAR value – 0.2 – 0.8 W/Kg
Precautions to minimize exposure to radiation
when using a mobile phone
5. Limit the length of your calls on your
cell phone:
Increases exposure to radiating signals
Alter brain electrical activity
6. Use a hands-free device or wireless headset to
increase the distance between the phone and
your head:
Use speakerphone mode
Use a wired headset
Use a wireless Bluetooth headset or earpiece,
Carry your cell phone away from your body
7. Turn the cell phone off when not in use:
Emits radiation in standby mode
Keep cell phone in bag
8. Stay still when using a cell phone:
More radiation emitted when keep moving
Do not use the phone while you are in a moving
vehicle, including the train, bus, etc, since its antenna
will be constantly scanning for contact using the
maximum signal strength
9. Consider either not giving cell phone to
children or limiting their usages to
emergency circumstances :
More susceptible
to radiations
Not used below age 15
10. Try Texting, Not Talking:
Sending texts emits less radiation
Less exposure to radiation
Return to the cord phone or land line phone:
emit no radiation
Can be used for unlimited duration
11. Make use of protective items to shield yourself
from radiation:
metal phone carrying case,
protective anti-radiation fabric
anti-radiation paint, etc
12. For weak signals cell phone has to work
harder for transmit and receive
Equals higher bust of radiation
Use the phone only in strong signals