hi gues
suppose you are internet service provider isp..you have a wireless system including rb 433 with omini antenna and other equipments..

you would like to give internet to someone user from 12 pm 25/5/2011 to 12 pm 25/6/2011
what should you do( without using the usermanager in your system)
and regardless of internet downloading and uploading

need very much your replay

http://wiki.mikrotik.com/wiki/Cable_setup

in queue u can setup time...