The MX820 family of accessory decoders is used to operate and generate feedback from turnouts,
light and semaphore signals, magnetic uncouplers and similar. The small size makes it possible
to install them right in the roadbed or hide them inside turnout drives such as the ones manufactured
by LGB. All currently available turnout and signal drive units are supported: double coil, DC motors,
slow-motion switch machines and EPL motors.