The displays shown below are a sample of the interactive display products that Trinity Electronics has designed and manufactured for the Telephone Historical Centre.

Animated Model (How Cellular Works)

In this exhibit, a small car moves along a circular track. The 'cells' and the corresponding towers light up to illustrate how the cellular signal is transferred from one cell to the next.

Animated Model (How The Telephone Works)

This model uses LED's to illustrate the path of a telephone signal. As the signal travels along the line, the LED's turn on one by one.