1、Support M.2 card (Socket 2 SSIC-base WWAN) with USB interface, it also supports NGFF (M.2) KEY B cards or modules of type 30 x 4 For example, it is suitable for Huawei MU736/ME936/ME906V/ME906E/ME906C/ME906J, for Sierra Wireless Airprime EM7305/EM7345/EM735 2、It is easy to install and there is no drivers required, supporting 6-pin/8-pin SIM card slot connectors, but you need to make sure your 3G 4G LTE module has software drivers installed. 3、No external power supply required, it supports hot swap, supporting any operating system, such as for WindowsXP/ Win7 / Win8 / Win8.1 / Win10 / WinCE / Linux and for iMAC, etc. 4、M.2 KEY B to USB adapter is designed for desktop/laptop computers, converting wireless M.2 cards (or modules) to USB ports. As long as you have a standard SIM card, you can connect to your network operator with a SIM card. 5、You can insert an M.2 card or module (Socket 2 SSIC-base WWAN) , such as to insert 4G LTE card or module into this adapter card, and then insert the adapter card into the USB port. 1 x Adapter Board1 x Screw Package1 x Cable2 x Antenna1 x Card Pin3 x SIM Card Holder1 x Instruction Manual1 x Screwdriver Item Type: Adapter boardMaterial: ABSColor: BlackSupport Operaing System: For WindowsXP/ Win7 / Win8 / Win 8.1 / Win10/WinCE/Linux & for iMAC, etc.Support Type: M.2 card (Socket 2 SSIC-base WWAN) with USB interface, NGFF (M.2) KEY B cards or modules of type 30 x 42 : For Huawei MU736/ME936/ME906V/ME906E/ME906C/ME906J, for Sierra Wireless Airprime EM7305/EM7345/EM 7355.Supports SIM Card Slot Connectors: 6-pin/8-pin