Cellular Carriers Hate This Trick: 'Using SIM Tunneling to Travel at Light Speed'.

https://media.defcon.org/DEF%20CON%2031/DEF%20CON%2031%20presentations/Adrian%20atrox%20Dabrowski%20Gabriel%20K.%20Gegenhuber%20-%20Cellular%20carriers%20hate%20this%20trick%20Using%20SIM%20tunneling%20to%20travel%20at%20light%20speed.pdf