<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo Ukwakhiwa kwenethiwekhi ezimele kungenzeka sibonga ukubhuka imvamisa yomsakazo ephethwe yinkampani.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi kakhulu yomusho ithi Ukwakhiwa kwenethiwekhi ezimele kungenzeka ngenxa yokubekelwa imvamisa yomsakazo ephethwe yinkampani, umthakathi ngoNovemba 2007 wanqoba ithenda ehlelwe nguMongameli we-Polish Electronic Communications Office futhi wathola ukubekelwa imvamisa ebangeni le-1800 MHz. 