Feature: The adapter is designed for desktop / embedded system. It can convert 3G wireless mini card into USB port. You can only insert your USB bus card, such as for GSM, HSPA (3.5G), GPS and LTE card, and then plug the adapter into the USB interface. PCI-E bus card, such as WiFi module, is not supported As a standard SIM card, you can use the SIM card to connect to the network operator. It does not support PCI-E bus cards such as WiFi module, but only Mini cards such as 2G GSM, GPRS, 3G, CDMA, WLAN, wireless WAN, HSPA modem, GPS, 4G WiMAX, LTE USB bus interface, and mini card desktop computer It is easy to install without driver, but make sure you have installed the software driver of your WWAN card. Support SIM card connector 6pin / 8pin. No additional power is required Support plug and play and hot plug Support any operating system, such as for Windows, for Wince, for Linux and for iMAC Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x Adapter Card 1 x Screwdriver 4 x Screws _x005f_x000D_ The adapter is designed for desktop / embedded system. It can convert 3G wireless mini card into USB port. You can only insert your USB bus card, such as for GSM, HSPA (3.5G), GPS and LTE card, and then plug the adapter into the USB interface. PCI-E bus card, such as WiFi module, is not supported As a standard SIM card, you can use the SIM card to connect to the network operator. It does not support PCI-E bus cards such as WiFi module, but only Mini cards such as 2G GSM, GPRS, 3G, CDMA, WLAN, wireless WAN, HSPA modem, GPS, 4G WiMAX, LTE USB bus interface, and mini card desktop computer It is easy to install without driver, but make sure you have installed the software driver of your WWAN card.