KAIROS comes out from the best Italian tradition, where all details, also the invisible ones, are important and need a care. Deisgning a mobile radio infrastructure is an art, that needs a complete knowledge of all the possible aspects to avoid unexpected situations. Our long experience in building infrastructure has generated this proffesional transciever: the right building block of applications ranging from a simple standalone repeater to a national wide system. We solved the complexity to ease your creativity.