This adapter is designed to convert a 5G or 4G or 3G wireless M.2 key B USB 2.0 module to a desktop or laptop with a full or half mini card slot. You can insert M.2 cards (Socket 2 SSI-base WWAN) such as GSM, HSPA (3.5G), GPS, and LTE cards into this adapter. Allows users to utilize M.2 socket-based WWAN modules in mPCle slots in desktops or laptops. Supports 2GGSM, GPRS, 3G, CDMA, WLAN, WWLAN, HSPA modem, GPS, 4G, 5G, WiMAX, LTE, Mini Card to desktop M.2 card (Socket 2 -base WWAN) USB 2.0 interface. Supports single NANO SIM card push connector. (Applicable to version with SIM card slot) No additional power supply required supports 3030 or 3042 or 3050 or 3052 type M.2 KEY B card sizes. Model: MPCEM2B-N01 Interface: MINI PCI-E TO M.2 NGFF KEY-B (for network cards only) Support Size: Supports 30 or 42 or 50 or 52 size network cards Interface Speed: The slot supports PCI-E1XandUSB2.0 signal Product Size: approximately 69.6mm x 30.4mm Working Environment: -5-70 Supported Systems: Depends on the system support for the installed network card Specification: B with Nano-SIM Material: PCB Color: As shown Package Contents: 1 x Adapter Card 1 Set x Screw Mounting Accessories