Product details of WiFi Amplifier Pro 300Mbps Router Network Expander Repeater Power Extender Roteador 2 Antenna - Black. 2x2 external antenna. 300Mbps Transmission rate. Strong wifi signal extender. Firmware is updated automatically. 3 steps to connect the Router. Application: Soho. Function Firewall: QoS. Standards And Protocols: Wi-Fi 802.11n, Wi-Fi 802.11g, Wi-Fi 802.11. Wi-Fi Supported Frequency: 2.4G.