Cannot Find Port Quectel USB AT Port

I have problem. when i was installed Quectel USB Driver for windows (Quectel_LTE&5G_Windows_USB_Driver_V2.2.3) For Quectel RM500K-CN with PCIE-CARD-EVB_V2.3. it’s cannot change any thing in my device manager, and then i cannot communicate with QCom althougt i was installed the driver usb. please help me.

Dear Sir,
RM500K is 5G module based on MTK chipset, please use MTK usb driver to test it, and the usb driver exceed the limit size of upload, please tell your e-mail address, so I can send to you later. Thanks!

my email is


Already sent by mail, thanks!