Modem internet problem help please?

[Ashis]

If you are referring to a wireless
router,it is nothing more than a radio
transmitter and receiver
({transceiver),which carries digital signal
from your internet modem to your
computer,through the air. The elevator is metal and is either interrupting the
direct path or the reflected path.
Attaching a large sheet of aluminum foil
on the wall behind the computer and
router can sometimes solve the
problem. Sometimes just moving the device which contains the antenna,or
the antenna, can solve the problem.