Specification: Item Type: WiFi Router Material: ABS Shell Version: European Version Built-In Lithium Battery: 2100mAh Package List: 1 x WiFiRouter1 x Charging Cable 1 xUser Manual Note: Read before placing an order: This router is not encrypted. But different operators have different frequency bands in different countries. Please check the frequency band of your country/region before placing an order. If you still do not know how to choose, please contact us for help before placing an order. The Asian version can be used in most European, Asian and African countries, such as Thailand, Singapore, Indonesia, Cambodia, Myanmar, and the Philippines. 4G/LTE-FDD: B1358 (850/900/1800/2100MHz) 4G/LTE-TDD: B38394041 (1900/2300/2500/2600MHz) 3G/WCDMA: B158 (850/900/2100MHz) 2G/GSM: B38 (900/1800MHz) The European version can be used in all European, Asian, African, Oceanian countries, such as Russia, Israel, South Korea, Saudi Arabia, Spain, Brazil, Austria, Ukraine, United Kingdom, France, Germany, Italy, Norway, New Zealand, Czech Republic, Australia, Netherlands, India, Nigeria, Switzerland, Kazakhstan, Poland, Ghana, etc. 4G/LTE-FDD: B137820 (800/900/1800/2100/2600MHz) 4G/LTE-TDD: B38394041 (1900/2300/2500/2600MHz) 3G/WCDMA: B18 (900/2100MHz) 2G/GSM: B38 (900/1800MHz) The American version can be used in all South and North American countries. For example: the United States, Puerto Rico, Canada, Mexico, Argentina, Chile, Uruguay, Costa Rica, Peru, etc. 4G/LTE-FDD: B2451217 (1900/1700/850/2600MHz) 3G/WCDMA: B245 (1900/1700/850MHz) The battery is installed in the machine and shipped with the built-in battery