1. High Stability: This portable internet hotspot guarantees network speed and stability, and does not rely on network cables. 2. Increase Coverage: This SIM card router uses 4G Internet access via SIM card. Increase Wi-Fi coverage area and eliminate network dead angle. 3. Wire less Design: This Wire less hotspot router is small in size and light in weight, connect your smart home without a network cable. 4. 8 to 10 Users: This 4G Wire less router supports 8 to 10 users at a time, suitable for home, office and travel, etc. 5. Premium Material: This portable internet hotspot with 2100mAh battery is made from premium and sturdy material, long service life. Specification: Item Type: Portable Internet Hotspot Material: ABS Chip Platform: for TDD LTE: Supports Frequency Band 40 LTE FDD: Supports Band B1/3/5/7/8/20/40 WCDMA: Supports Band B1 Wi-Fi: Supports IEEE802.11b/g/n Band of 2.4G Other Frequency Bands Can Be Customized (Such As B7.b8.b20.b38.b41, Etc.) 4G Speed: 150Mbps Downstream and 50Mbps Uplink Wi-Fi Rate: Wi-Fi Transmission Rate 150mbps 8 to 10 Users: Supports 8 to 10 Users at a Time W in System: Support W in Operating System Operating Temperature: Minus 10 to 60℃ SIM Card: Insert a Micro Sim Card Inbuilt Lithium Battery Capacity: 2100mAh(Battery Included) packing list: 1 xPortable Internet Hotspot 1 x Charging Cord 1 x User Manual Note: 1. The product battery contacts are affixed with insulating film, please tear off before use in order to charge and use.2. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 3. 4G band B1/B3/B5/B40 for: Asia, Africa, some SIM cards in Europe, Middle East countries. 4. Not applicable in the United States.