Thanks Fieromike
I am thinking in using the Bachmann 44902, but i dont know if this model allows me  controls switches, i have 30 switches to contol. Please let me know the model  to use

Hi, I am new in the digital era, and I want to know which is the device to control switches and trunouts, and the decoders for each one too.
If somebody can sugget smething to me, I will be gratefull