2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/9541We review our current understanding of the radio properties of black hole X-ray binaries in connection with the X-ray spectral states, and discuss them in the framework of the recently proposed unified model for the jet-accretion coupling in these systems.Review to appear in the Proceedings of the "Stellar end products" workshop, 13-15 April 2005, Granada, Spain, ed. M.A. Perez-Torres. MemSAIt, Vol. 77 (Jan 2006)Astrophysicstext