Model: The signal has 2 integrated electronic signal circuits and 1 separate signal decoder. The distant signal can be used for all home signals. Control of all functions for both signals is possible in the digital system with the signal decoders assigned to the home and distant signals, or with a conventional control box. The signal decoder can be installed under the C Track or under the layout. For digital operation the configuration and the address of both signals can be assigned and tested before the installation. Connections for controlling train movements and for 1 additional distant signal are on the signal decoder. Height without base 78.0 mm /3-1/16".