@douglasvb @ai6yr Reminds me of something @Netzblockierer suggested - Besides going dark..
Passive #ElectronicWarfare cuts both ways:
- Build a #CopDetector that literally just checks the SNR/Signal Level of the Uplink frequencies of digital mobile radios.
- Cuz those spectrum allocations are well known and they are exclusive users of said band, so regardless if TETRA (A weird GSM remix) or even analog PTT, those are detectable.
(considering *I* know how to track these... and have considered writing software to see who/what is constantly in the neighborhood or just driving by... it' not difficult to see how a company would attempt to commercialize this) "...SignalTrace “bridges license plate recognition data with sensor-captured device identifiers—such as those from mobile phones, Bluetooth wearables, and vehicle systems—to create a unique, trackable ‘electronic fingerprint’ for investigative use,” according to a product sheet describing the tool, written by surveillance company Leonardo, which advertises SignalTrace. The sort of data Leonardo says SignalTrace can sweep up includes the RFID tags in key cards and pet microchips; devices with Bluetooth such as wireless headphones, fitness trackers, and mobile phones; components of a car like tire pressure sensors and infotainment systems; and Wi-Fi sources such as vehicle hotspots and laptops, according to the product sheet..." #privacy
kkarhan