So far with only 100 watts into my G5RV I have worked them on SSB on 10, 12, 15, and 20 meters. There web site gives all the particulars. TNX & 73, Dave N0EOP **************Ideas to please picky eaters. Watch video on AOL Living. (http://living.aol.com/video/how-to-please-your-picky-eater/rachel-campos-duffy/ 2050827?NCID=aolcmp00300000002598)