NOTICE : 1. 4G router/modem only support universal ordinary SIM cards . For some locked SIM cards , contract SIM cards which operators 't allow to use on wifi routers , or only allow to use on their authorized devices . This product might not work. (IF your can not access to Internet ,pls 't be panic .usually you change another operator's universal ,then it will work .Or you can contact us for help .) 2. about 4G speed . in practical daily use , 4G WiFi router usually would 1 - 20 M/s download speed for WiFi users .it's enough for ordinary users to watch video ,play games ,etc smoothly . Router's 4G chipset top capacity is 150M , and 4G base station's theoretical top speed is 150M too .however the 4G base station service to many 4G users at the same time , instead of giving full 150M bandwidth to one , and 4G signal strength , limitation and environment would affect speed too . IF some ignorant for top theoretical speed , and love to use inaccurate APP or software to test network speed , pls 't buy . no product on market would meet such requirements . Thanks . This MIFI does NOT include , users need to buy a from local operators to use this device . European version(EU) : 4G LTE : B1/B3/B7/B8/B20/B38/B39/40/41 3G:B1/B8 European version works in most areas of ,Africa ,middle too . (such as Russia, , Ukraine, , Belarus, , , , , UK, Ireland, Switzerland, , Sweden, , , Denmark, Latvia, Lithuania, , Slovakia, Hungary, Austria, , Belgium, ,Romania, Bulgaria, Serbia, Albania, Greece, Slovenia, ; Korea , Japan, Israel,Turkey, , Singapore, Azerbaijan, ,Australia, Arabia, Qatar,United A , Pakistan,; and other African ,Asian countries ) this device provides high speed 4G LTE WiFi access , supports 10 WiFi users . Users insert 4G , it will Internet wifi automatically . easy to use and carry anywhere . This wifi router supports both 3G&4G networks. , Laptop, computer, books, mobile phones and different types of WI-FI devices can connect to the 4G WiFi router to access to Internet . PRODUCT FEATURES High speed LTE Chipset, Support TDD-LTE/FDD-LTE/UMTS/ networks 2100mAh battery small size pocket WiFi Hotspot Up to 10 WiFi users color: White material: plastic Package Contents: 1 x Wireless wifi 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.