2025-09-14 00:00:00 DCC-EX Cab is the number one application that turns your devices into handheld controllers for your model railroad. With DCC-EX Cab you can follow your trains around your layout without having to worry about plugging and unplugging a wired device as you move along. Using a wireless network connection and DCC-EX command stations connected to the network, DCC-EX Cab can be used to run trains and control signals, turnouts, and other accessories that are configured in the command station.