A Novel Dual-Shorting Point PIFA (GSM850 to IMT-A) for Mobile Handsets

Figure 8

Measured antenna peak gain and radiation efficiency: (a) GSM850/900, (b) DCS1800/PCS1900/UMTS/WLAN 11.b/LTE2300/2500, and (c) IMT-A.

(a)

(b)

(c)