Where are the iPhone 4 antennas' feeding and grounding points?
What sort of antenna does iphone 4 employs? Is it an IFA (inverted F antenna)? I tried to find the feeding and grounding points, particularly for the wireless antenna (WiFi, Bluetooth and GPS).
Usually and IFA has a feeding point somewhat in the middle. Unfortunately, I cannot find it. There seems to be a feeding point close to the top slit.
Is it possible then to achieve dual-band behavior? How many grounding points are there, and where?
thanks
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