Command Station Only. No booster or power supply. A cheap power supply that will work can be picked up at a local thrift store, radio shack, or electronics retailer
Requires a 1amp power supply. 12 to 22 VAC or 12 to 30VDC
Cab bus output is 1 amp / 12v - max length 40 feet without adding power
Control bus output is 250mA current loop design.
If you do not own a multimeter here is a link to an inexpensive one from Home Depot - http://www.homedepot.com/p/Powerbuilt-Digital-Multi-Meter-648349/204505225