Hi, > I think it should be built with a captive male BNC connector, so can > go right on the K1 or K2. An adapter can be used to mate to other gear > with a female UHF connector. I feel it should be able to handle 100W and have a -40dB "output" connector. Now that Elecraft has VHF stuff in pipeline, a bandwidth of say DC to 500MHz would also be a good idea. vy 73 de toby