Improved Handset Antenna Performance via an Electrically Extended Ground Plane
Figure 5
Electric and magnetic field scans of the AUT at chassis physical length of 120 mm: (a) HAC scan of field at 900 MHz, (b) HAC scan of field at 900 MHz, (c) HAC scan of field at 1880 MHz, and (d) HAC scan of field at 1880 MHz.