max2870 23.5mhz-6ghz pll core board + control board for signal generator frequency source
10Mbps BPSK ZIF transceivers for 1.2GHz, 2.3GHz and 3.4GHz
https://s53mv.s56g.net/3zif/frontend.html
http://lea.hamradio.si/~s53mv/3zif/design.html
https://antennatestlab.com/antenna-examples/radar-antenna-pattern-rcwl-0516-hb100-cdm324
low cost microwave radar modules cdm324 rcwl0516 hb100 hfscd06 lv002
MH-100X HB100 RCWL 0516 HB100 CDM324 LD112 IR24FDA SEN0395 SEN0192 BGT60TR13C MW2401TR11
ologymart 5.8ghz Ologymart DC 12V-24V 5.8GHz Microwave Radar Motion ...