USB\VID_17EF&PID_74F9 drivers

Drivers /  USB /  VID_17EF /  PID_74F9

Hardware IDs

Modems

USB\VID_17EF&PID_74F9&MI_03

Ports (COM/LPT/Serial)

USB\VID_17EF&PID_74F9&MI_02
USB\VID_17EF&PID_74F9&MI_04
USB\VID_17EF&PID_74F9&MI_05