Hello I want to configure 2 mt as bridge, but i can´t find info about the configuration, please tell me where to begin, thanks

Start here:
http://www.mikrotik.com/testdocs/ros/2. ... reless.php
Right at the start there's a step-by-step example for creating a simple AccessPoint...

Best regards,
Christian Meis

This works very well.

http://wiki.mikrotik.com/wiki/Transpare ... o_Networks

Just take note the you have to un-check default authenticate on the AP side

Follow these instructions carfully (don't skim them like I did - you land up going back and reading them over because you forgot something) and it will work fine.