LDW931 Portable 4G LTE Router /Modem 4G Wifi SIM Card /WIFI Dongle/Mobile WiFi HotspotNote: This product does not include a SIM card, and the network frequency bands of different operators are different. Before purchasing, please check the local frequency band corresponding to the frequency band table below, and check with your operator whether your SIM card supports this frequency band, and choose a suitable and affordable one. SIM card package use Product FeaturesSupport global mainstream frequency band networks FDD-LTE/UMTSMulti language(Indonesian,Russian,Portuguese etc)SMS--Send/receive/delete SMSPlug and Play,No need CD-ROM,No Driver Installation.Up to 10 users access to WiFiSlimmest 4G USB dongle in the world ; Innovative Nano SIM-in-USBEuropean Version:TDD-LTE:NAFDD-LTEB1(2100MHz),B3(1800MHz),B7(2600MHz),B8(900MHz),B20(800MHz)UMTSB1(2100MHz),B8(900MHz)Colour: WhiteMaterial: ABS Package Contents:1 x 4G wifi portable router Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.