The Teleindustria Hardyphone-EX 569 Series is a family of analogue industrial explosion-proof Telephones. The body and handset of the 569 family are completly made of die-cast aluminum, to resist shock, vandalism and intensive use in industrial environments. The Hardyphone-EX 569 series are equipped with a vandal-proof keypad with metallic buttons and a stainless vandal resistant handset cord.