Features: brand new and high quality It is not only a 4G modem, it can work like a WiFi router, its function is very similar to E8372 wifi modem. When plug it to a power adapter or mobile power. It could broadcast Wi-Fi signal and allow you to securely connect up to 10 devices, including tablets, computers, mobile phones and gaming devices, to the 4G mobile network or when you\'re on the move via Wi-Fi and 1 via USB interface. The actual Wi-Fi support is 802.11 b/g/n, up to 10 devices. Languages: English& Chinese. Please use your Micro SIM card in the Router . The Website Password is different, please save your packaging. Usually no antenna is needed, but when installing the antenna, be careful not to use too much force to avoid damage to the antenna connector !!! Specifications: Frequency band: 4G FDD(B1/B3/B5/B7/B8/B20/B40), TDD(B40), 3G(B1/B8) LTE speed up to 150Mbps DC-HSPA+ data service of up to 42 Mbps HSUPA data service of up to 5.76 Mbps microSD Card Slot (up to 32GB) External Antenna Slot (2 ports) Support for Windows 2000, for Windows XP, for Windows Vista,7,8 Operating Systems Size: approx. 8.8x2.8cm/3.46x1.10in Package Includes: 1PC x WiFi Router note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!