FRITZ! Box 3390 International, Wi-Fi 4 (802.11n), Dual-band (2.4 GHz / 5 GHz), Ethernet LAN, 3G, ADSL2+ FRITZ! Box 3390 International. Wi-Fi band: Dual-band (2.4 GHz / 5 GHz), Top Wi-Fi standard: Wi-Fi 4 (802.11n), WLAN data transfer rate (max): 450 Mbit/s. Ethernet LAN interface type: Gigabit Ethernet, Ethernet LAN data rates: 10,100,1000 Mbit/s, Cabling technology: 10/100/1000Base-T(X). Antenna design: Internal. Power consumption (typical): 10 W. Width: 226 mm, Depth: 47 mm, Height: 159 mm