IFA antenna orientation

[julienh]

Hi,

I have a really really dumb question but I will ask ...

Is there any impact regarding the orientation of an IFA antenna?

Everywhere, in all examples, we can see the same orientation (feed point on the left and antenna continuing on the right). Regarding my mechanical constraints on my product, I can't use this orientation. Is there any impact to mirror the antenna (feed point on the right and antenna going on the LEFT)? 

Sorry for the question 

Thank you

[AmbystomaLabs]

As long as all the ground plane connections mirror along with it, there is no difference. The EM wave doesn't care if it goes left to right or right to left. You will end up rotating 180 degrees any min & max points in the radiation pattern relative to the PCB, but most people don't even consider this when putting the product into a use scenario.  So, no need to worry.