3.7V 4000mAh of Li-ion battery charging time about 3 hours - Supports charging for smart phone tablet PC and other portable digital products - Working frequency: 2.4Ghz - Network interface: RJ45 10 / 100Mbps LAN / WAN multiplexed interface - Built-in fire wall - Channels: 11 (North America) 14 (Japan) 13 (Europe) - 3G maximum download speed up to 21.6Mbps - Supports WCDMA/CDMA 2000/TD-SCDMA - Wireless safety: Wireless MAC address filter 64/128 bit WEP encryption WPA-PSK/WPA2-PSK safety - Using temperature: 0'C~40'C - Storage temperature: -20'C~60'C - Antenna: Built-in high gain omnidirectional antenna - Interface: 1 x RJ45 / 1 x Micro USB / 1 x USB port - Router Mode: Wired Signal (WAN) converted into a wireless signal (Wi-Fi) support ADSL dialing (pppoE) Access Point (AP) mode switcher DHCP / Static IP mode repeater mode network card mode.