Features: 1.Plug and Play: This 4G WiFi modem works as wifi router and USB modem through USB port. Plug and play, no need to install CD driver. 2.150Mbps High Speed: This wireless LTE router provides up to 150Mbps wireless connection, you will enjoy a powerful web experience for surfing, chatting and entertainment. 3.Up to 10 Users: This 4G WiFi router can be shared by up to 10 users, and it supports 3G and 4G network, meeting your needs. 4.Wide Application: This SIM WiFi dongle is portable and easy to use, suitable for tablet, laptop, phone and different type of WiFi devices. 5.Warm Tips: Maybe you need to disable the PIN of the SIM card and change the APN. Please confirm that the SIM card is activated. Roaming service, virtual SIM card and Internet of Things SIM card are not supported. In rural areas, it is normal for uncovered signals to be disconnected for a while. specification:Item Type: 4G WiFi Modem Material: ABS Color: White USB: Standard USB Port Card Slot: Standard SIM Card Slot (SIM Card Not Included) (Support Worldwide Networks) Transfer Rate: 150 Mbps for Download and 50Mbps for Upload. Frequency Band: FDD LTE. B1/B3/B5/B7/B8/B20/B28(Optional) WCDMA: B1/B2/B5/B8(Optional) TDD LTE: B38/B39/40/41(Optional) WCDMA: 2100MHz, 1900MHz, 850MHz, 900MHz (Optional) PackageList:1 x 4GWiFiModem 1 x User Manual NoteThe device is a 4G usb wifi router via UMTS/FDD.