Datacenter · Strong theory
Rack Tamper Geometry: Door, Panel & Blanking-Plate Events
Knows when a specific rack door opens or a panel comes off.
The physics is solid; our own validation is scheduled.
How it works
A server rack is a big metal reflector, and its door is part of that mirror. Swinging the door or removing a panel permanently changes how WiFi waves bounce around the aisle — a step change that stays even after the motion stops. The system records exactly which rack changed, and when.
In the physics: A server rack is a large metal resonant scatterer; swinging its door 90 degrees moves a strong reflector, creating a step change in specific multipath component delays (sub-ns to few-ns) and amplitudes — a static geometry change, invisible to Doppler once the door stops but permanent in the CIR.
See it work
This is real pipeline output for Datacenter, replayed. The exact reading depends on your room.
Go deeper
How the field becomes an answer
How we prove it
Own-hardware: ESP32 mesh in a rack row, scripted open/close of each door and panel 50x, confusion matrix over racks; CSI-Bench for CIR feature stability under interference.
Who it is for
Retrofit rack-level tamper detection with zero wiring — 'know which rack door opened, when, without contact sensors on 10,000 racks' — sold to the colo ops/security engineering lead.
The matching solution
Complete first-room estimateCage & Plenum Sentinel6 nodes · ~$320 parts · 120 min Request kit, subscribe, or set up →Compatible DIY hardware options
120 min · advanced
240 min · installer