Elias pushed the heavy door open, the smell of ozone and stale coffee washing over him. He was a "signaler," a technician who dealt in the invisible architecture of the airwaves. He carried a dented laptop under his arm like a holy scripture.
Find your reader’s device path ( ls -la /dev/ttyUSB* or pcsc_scan ): Oscam Free Server
For a serial/physical reader on a receiver, protocol could be internal or mouse . Elias pushed the heavy door open, the smell