EU Version: FDD: B1/B3/B5/B7/B8/B20 TDD: B38/B40/B41 WCDMA: B1//B5/B8 Applied to Asia: South Korea, Israel, Saudi Arabia, Singapore, Thailand etc. Europe: Russia, France, Italy, Spain, Poland, Netherlands, United Kingdom etc. South America: Chile, Brazil Africa: Nigeria, Ghana, Morocco etc. Kind Reminding: Not support eSIM, IOT SIM and Roaming SIM. If your SIM card has PIN code/lock, you need to disable PIN code/lock on your phone or via communication operator. It can help the router get access to recognize your SIM card and connect network. Otherwise, the router shows no SIM and its WiFi can be connected but no network. Pls note that 150Mbps/300Mbps/866Mbps is theoretical transmission rate. Pls do not buy our routers if you pursue theoretical transmission rate. How to use a LTE router? Check related details at the end of this page. B838PLUS B838PLUS