Why do you think OpenBTS is illegal in Brazil? There's a research group at UFPA in Belem that's been quite active in the OpenBTS project. I met two of the guys at the OpenBTS Workshop in Germany last summer. See-- http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5304...
A license for the GSM spectrum used by OpenBTS from the relevant government telecommunications authority is necessary almost everywhere in the world.
A license for the GSM spectrum used by OpenBTS from the relevant government telecommunications authority is necessary almost everywhere in the world.