Features: Allows user to use mini PCIe WWAN Modules to Key B Slot in the Desktop or Laptop. Supports USB interfaces of Mini PCIE Cards (Socket 2 SSIC-base WWAN) such as GPRS, 3G,CDMA, WLAN,WWLAN, HSPA MODEMs ,4GWiMAX, 5G, Mini Card to desktop PC. Support Full- size mini PCIE Card. Supports SIMs card Push connector. No additional power required Support 3042/3052 key B Card dimension. Specifications: Material:PCB Size:Approx.61x31mm/2.48x1.22in Key B to Mini PCIE Adapter with SIMs card Slot for 3G/4G/5G Modules Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xmini PCIE to adapter 4xM2 Screw 1xScrew Driver