USB\VID_271D&PID_903C drivers

Drivers / USB / VID_271D / PID_903C

Hardware IDs

Modems

USB\VID_271D&PID_903C&MI_02
USB\VID_271D&PID_903C&MI_04

Network adapters

USB\VID_271D&PID_903C&MI_06

Ports (COM/LPT/Serial)

USB\VID_271D&PID_903C&MI_00
USB\VID_271D&PID_903C&MI_01