D-Link AC1900 Smart Mesh Wi-Fi Router, DIR-1960; Wireless Speed: 1900Mbps (2.4G + 5G); SDRAM: 256MB; Flash: 128MB; External Fixed Antenna (4x4+4x4); 1x 10/100/1000 WAN, 4x 10/100/1000; USB 3.0; Input: 100 to 240 V AC, 50/ 60 Hz;