kar2kn
Newbie level 6

cellular mobile
can any one help me out to know the basics of a cell phone. about its antenna and how it communicates with the tower. and also is it true that keeping the mobile near our heart is dangerous?
for learning the basics send me the link of some tutorial website.
can any one help me out to know the basics of a cell phone. about its antenna and how it communicates with the tower. and also is it true that keeping the mobile near our heart is dangerous?
for learning the basics send me the link of some tutorial website.