Features: 1.The 4G USB dongle is designed to provide 3G and 4G high speed and better Internet access for users. 2.Plug in the 4G SIM card and it can search and connect to achieve high speed 3G and 4G broadband access automatically. 3.4G USB modem support up 10 users at the same time, low power consumption and long battery life. 4.Stylish, compact and portable design make you to enjoy high speed Internet anytime and anywhere. 5.Able to connect with Tablet, Laptop, notebook and different WI FI devices users . Work with external power supply, no limited working time. specification:Item Type: USB 4G LTE Router Material: Plastic Shell American Version of FDD-LTE: B1,B2,B4,B5,B12,B17,B25,B28,B66 European Version of FDD-LTE: B1,B3,B5,B7,B8,B20,B28 Tdd-lte: B38 or B40 or B41 Micro Sim Card Slot: Only Supports Micro Sim Card card Not Included Network Type: FDD-LET or TDD-LTE or HSPAand or WCDMA or GSM Chipset: For Qualcomm MDM9x07 Peak Speed: DL150Mbps UL 50Mbps Wifi: 802.11b or g or n up to 10 Users Share Wifi Led Indication: 2 LED Show System Status Operating System: Suitable for Windows 2000, for Windows XP, for Windows Vista, for Windows 7, for Windows10, for Ubuntu, for OS X, for Android. PackageList:1 x User Manual 1 xUSB 4G LTE Router Note1. Note: Not available in Japan! ! ! If the frequency band supported by the customer's mobile phone card is the same as the frequency band supported by the product, it can be used. 2. Only supports micro SIM card card not included . 3. For those who cannot connect to wifi, the summary is as follows: 1. The customer's card is not activated or inactivated, and there is no traffic, so the card cannot be transmitted. 2. The customer inserts the card in the wrong position and inserts it into the memory card the place where the SIM card should be inserted . 3. The frequency band of the Sim card does not match the frequency band of the machine, and the customer needs to replace the sim card with the frequency band that matches the machine. Yes, at this time, it cannot be used without a matching frequency band, and it cannot be connected to wifi. 4. The frequency band of the machine matches the frequency band of the sim card, but the wifi is still not connected. At this time, let the customer connect to the computer, and the software will be installed automatically or use the computer to connect to wifi, enter the IP address and account password in the browser to open the software Check the APN of the machine, and call the operator to ask for the detailed data of the APN. If it does not match, you can change it in the software, and you can basically connect.