Sapido BRF71n Smart Wi-Fi Wireless-N 3G/4G Router with 1 x USB and Built-in Power Adapter Wireless Standards: IEEE 802.11n, IEEE 802.11g, IEEE 802.11b, IEEE802.3az Interface: 10/100 Mbps RJ45-WAN x 1, LAN Port x 1, USB 2.0 Port x 1 Button: Mode Switch; Internal antenna: 2T2R Supports Windows, MAC, Linux OS External Power Supply: AC Input: 100-240V, DC Output: 5V/1.2A