Designed for Desktop/Laptop PCs that convert Mini PCIe WWAN card to USB port. | This adapter can be used to diagnose and test your WWAN card. | Support 30mm * 50mm type Mini PCIe card, Support SIM 6pin/8pin card connector. | Support any OS, no driver required, but make sure you have installed the software drivers for your WWAN card. | Note: ONLY work for WWAN(Wireless Wide Area Network) card, CANNOT work for MSATA SSD or WLAN Card.