The PowerWedge 20 & Mini Decoder offers many features and benefits including a smaller footprint optimized performance added symbologies improved trigger modes and backward compatibility with all current decoder cables and settings. A cloning feature enables the user to program multiple units in seconds from a single master unit. Designed to meet the tightest space requirements the Mini PowerWedge measures 2.75 inches wide by 3.25 inches long by 0.75 inches high and weighs 2.3 ounces. It is a Keyboard wedge Decoder featuring a single 9-pin squeeze-style connector and a 25-pin interface connector that supports a variety of popular interfaces including IBM PC/AT/XT PS/2 and Macintosh computers as well as many terminals.