Linksys WRT1900ACS Wi-Fi 5 IEEE 802.11ac Wireless Router - Refurbished - 2.40 GHz ISM Band - 5 GHz UNII Band - 4 x Antenna(4 x External) - 237.50 MB/s Wireless Speed - 4 x Network Port - 1 x Broadband Port - USB - Gigabit Ethernet - VPN Supported

1.6 GHZ DUAL-CORE CENTRAL PROCESSING UNIT (CPU) ADVANCED WIRELESS SECURITY Safeguard your network with wireless WPA/WPA2 encryption and an SPI firewall. Promotes simultaneous high-speed data processing. SIMULTANEOUS DUAL BAND (2.4 + 5 GHZ) Delivers a stronger connection at a wider range than a single band at speeds up to AC1900. Developed for use with OpenWRT. OPEN SOURCE FIRMWARE