Telefónica Homologated Covers We have several models of homologated telephone covers made of prefabricated concrete. Here you can see them and if you are interested or have any doubt, contact us. Te asesoramos Types of Telephone Cover technical specifications Cover type "M" B-12550 KG Cover type "H" B-125155 KG Cover type "D" B-125350 KG Cover type "DM" B-125175 KG