3 ms·
How? Carriers don't do active triangulation on ever phone within tower range so they don't know exactly where a connection is coming from.
by rtkwe 9y ago
How? Carriers don't do active triangulation on ever phone within tower range so they don't know exactly where a connection is coming from.
- pbhjpbhj 9y agoSet up a base station in the prison, harvest the IMEIs, feed in to blocklist?
- rtkwe 9y agoAnd also block every guard/visitor/person walking nearby?
- pbhjpbhj 9y agoGuards and visitors could easily be whitelisted. Person's walking nearby the cells of a prison should only be guards/visitors or people whose phones you want to block?
- rtkwe 9y agoThe IMEI catcher's signal isn't going to stop dead on the edge of the prison/jail yard and a lot are near/in cities. Where I live the jail is right next to the performing arts center and the baseball stadium there'd be massive amounts of false positives.