HanxiaoMeow on X: "Found a 24Ghz FMCW radar module on Aliexpress, cost about 25USD. It looks like some sort of FR4, but is that possible to make 24Ghz Antenna on FR4? https://t.co/v93CAhoNP1" /
Block diagram of FMCW radar system with overview photograph. The system... | Download Scientific Diagram