Multiband Planar Inverted-F Antenna with Independent Operating Bands Control for Mobile Handset Applications

Table 2

Independent control ranges in the four operating bands.

Parameter variation	Control range for band #1	Control range for band #2	Control range for band #3	Control range for band #4
(6.5 to 8.5 mm)	No effect	1676–2000 MHz	No effect	No effect
(36 to 49 mm)	745–885 MHz	1665–2113 MHz	2358–2915 MHz	No effect
(10 to 20 mm)	No effect	1448–2068 MHz	2500–2900 MHz	No effect
(0.5 to 4 mm)	745–1025 MHz	1735–2026 MHz	2509–3048 MHz	No effect
(0.5 to 6.5 mm)	No effect	No effect	2446–3080 MHz	No effect
(15 to 19 mm)	No effect	No effect	No effect	2880–4253 MHz