2 external antennas: external dual-gain antenna with transmission rate up to 300Mbps. Suitable for most routers-extend your WiFi and provide reliable coverage, compatible with most standard routers or routers. Wall plug design: easily connect it to any power outlet for WiFi extension, plug it in and play it after the first setup. Automatic update: it will update automatically without any tedious operations. Extend Wi-Fi coverage: Support up to 64 connected devices at the same time, keeping connections from every corner.