I have PTCL EVO 3G USB i got TP Link 3G Router Model: TL-MR3420 having Dual Antenna
by Attaching USB to my Laptop i checked in every corner of my home the signal i am getting are ranging from 40% to 80%
But when I Attach my EVO with Router it always show 100% Signals strength no matter where i place it.





Any idea what's wrong?