Dual-Feed Small-Size Penta-Band PIFA for LTE/WWAN Mobile Handset Applications

Figure 6

Measured normalized 2D radiation patterns: (a) 930 MHz, (b) 1950 MHz., and (c) 2500 MHz of the proposed dual-feed PIFA (- - - , —).

(a) 930 MHz

(b) 1950 MHz

(c) 2500 MHz