Anritsu - MT8852

Vendor Web : http://www.anritsu.com/en-us/products-solutions/products/mt8852b.aspx

Rhode & Schwarz - CMW270

Vendor Web : http://www.rohde-schwarz.com/en/product/cmw270-productstartpage_63493-9552.html

Agilent - N4010

Vendor Web : http://cp.literature.agilent.com/litweb/pdf/5989-4150EN.pdf