Never mind the target frequency of test (just think, if it works that high, it'll work better lower in frequency!), I'd like the list's take on what it would take to modulate this device. http://www.datasheetcatalog.org/datasheet/AdvancedPowerTechnology/mXyzsqws.pdf 73 = Best Regards, -Geoff/W5OMR (/m)