Trimble TCU5, a rugged field controller designed specifically for use with Trimble S-series total stations. It highlights the TCU5's features, such as its multi-touch screen, WiFi connectivity, and Android operating system. The text also emphasizes the TCU5's durability, portability, and ease of use, showcasing how it can streamline data collection and transfer workflows in the field. The page also offers comparisons to other Trimble products and provides links to additional resources for users.