HanxiaoMeow on Twitter: "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" /
Amazon.com: Seeed Studio MR60FDA1 60GHz mmWave Radar Sensor - Fall Detection Module Pro | FMCW | Sync Sense | Privacy Protect | High Stability | Support Secondary Development, Range from 0.4M to 2M. : Electronics
Evaluation of FMCW Radar for Potential Use in SSM | SpringerLink
Figure 2 from FPGA based signal processing module design and implementation for FMCW vehicle radar systems | Semantic Scholar