Ridge Equipment, Eldersburg, Md, has an excellent RF sampler, made by Microlab model FXR adjustable signal sampler, 50 Mhz - 12 Ghz. 50 ohms, insertion loss 0.2 Db Silver plate finish
It has an N female and N male on the through port and an adjustable pick-up link with a BNC on that port. I purchased three of them at Dayton a year ago for $10.00 each They show them on their web site for $14.99 here is a link to their site: http://www.ridgeequipment.com/store/attenuators.html 73 John VE3AMZ Waterloo Ontario.
