USB\VID_17EF&PID_77F9 drivers

Drivers /  USB /  VID_17EF /  PID_77F9

Hardware IDs

Modems

USB\VID_17EF&PID_77F9&MI_01

Ports (COM/LPT/Serial)

USB\VID_17EF&PID_77F9&MI_00
USB\VID_17EF&PID_77F9&MI_02