Steve, Sorry I didn't notice your email earlier. I have relays, all which came from ebay, that range from 6 pole to 20 pole all easily capable of being driven from the UCB. The relays that I use are all 28 volts and work fine as Mike says. The DowKey I have are 6MP-24-L-0001 And the Matrix relays I use are the 7000 series: www.matrixsystems.com Remember the relays are only switching IF information, so they don't have to handle up to 18GHz, although that won't hurt. From some contesting experience, the main factor is the isolation which is why I like the matrix switches, the isolation is over 100db. Hope that helps. Phil K3TUF
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