Mini-circuits double balanced mixer SIM-83LH + 8GHZ with CNC case | eBay
Mini-Circuits - The latest addition to our line of double balanced mixers offers ultra-wide RF/LO bandwidth from 10 to 40 GHz and IF bandwidth from DC to 15 GHz, ideal for applications
File:Frequency mixer Mini Circuits ADE-1 macro.png - Wikimedia Commons