The Radio Arca of the Alliance AM 1480 was born in 1945, as Rádio Difusora de Joinville. Since September 6, 2005 it is administered by the Catholic Community of the Ark of the Joinville. The Signal of Radio Arca da Aliança has a coverage in Joinville with 1Kw of power.

Radio Arca da Aliança AM 1260, was born in 1962, as Radio Alvorada, in 1967 became known as Blumenau Radio and in 2010, Radio Arca da Aliança.

Radio is available as an instrument of evangelization, culture and education. Its purpose is to inform, educate, communicate, integrate and evangelize, awakening the listeners to an intimate relationship with God, through a current schedule of quality and always in the light of the Holy Spirit.