no CE or UL on my Gamma... input ( since it is a switcher ) is marked on back 85-264...\ I put powerpoles on the front on mine and a big sticker reminding me 30 watts rtty/psk it IS a 4 A switcher inside... bill At 10:30 AM 1/10/2014, Jeff Griffin wrote: >Well I've had my Gamma for maybe 5 years, used it with several brands of