T580 Xda Best Page

It was three in the morning when the alert blinked on Karl’s ThinkPad T580 XDA.

Karl’s hands went cold. He never put a SIM in the WWAN slot. But the XDA’s daughterboard didn't need a SIM—it had a direct RF tap that piggybacked on the laptop’s own antennas, listening for a wake tone buried in commercial LTE traffic. t580 xda

so what happens now