The gain difference of 2.4GHz antenna

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zzm_3392

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Hi,
The attachments are 5 types of 2.4GHz antenna collected form the internet. Can anyone tell me the gain difference between them and which one is the best suitable for portable mobile application?
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The gain of all these antennas are pretty similar (about 2dBi in average), but this depends by the PCB material used. The meander Inverted-F type has wider bandwidth, when the Inverted-L has the narrowest.
 
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