The pieces in the Museum collection are catalogued in the Polytechnic Digital Collection (Colección Digital Politécnica), which is a public access platform for searching the Museum's pieces.

The Collection consists on a set of devices and instruments used in telecommunications, such as analog telephone switchboards, radio transmitters, valve collections, electronic components, radar equipment (transmitter and receiver antennas), Morse switches or perforators for transmission, measurement devices (voltimeters, galvanometers, multimeters, wavemeters, impedance boxes, etc.), telephones, switches, radios, oscilloscopes, etc. and pieces from the teaching of telecommunications in the last decades of the 19th century and throughout the 20th.