SJ Radio Saltillo began operations in 1943, serving the listeners of Saltillo, Ramos Arizpe, and Arteaga, located in the State of Coahuila, Mexico.

It operates with a power of 50,000 Watts at 1,250 KHz in the Amplitude Modulation band, achieving coverage that spans communities near Saltillo within a radius of 150 km.

Throughout the 24 hours, it offers norteña music and Mexican regional music, combined with a diverse programming of social content and news. At night, it enchants its audience with romantic music in Spanish and pieces of international instrumental music from its catalog.