Does iPhone transmit when looking for WiFi?

Hi and thanks for reading,
probably this is an obviou question since it is related to the basic of wifi hardware but I did not manage to find anything official on the internet.
When I put on WiFi feature on my iPhone/iPad, it starts searching for WiFi networks every 3-5 seconds.
I am wondering if, during a WiFi search, the searching device transmit any data packet or if it stays all the time in RX mode.
If you can help me, a link to an article/paper about that would be much appreciated.
Many thanks.
Regards,
Luca

There are many programs that will trash a TX - those that aren't specifically written for an NVFS type Palm. Here's a list: http://palmfacts.com/devices/tx/software.php
Did you HotSync the information from a previous Palm to your TX? That will surely scramble it! You'll need to do another Hard Reset, rename your /BACKUP folder to something else, and then do a HotSync...
LPE
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