brand new. Quad-stream AC2400 Wave 2 Wi-Fi utilizes 4 data streams to maximize connection speeds and simultaneously stream to multiple devices Dual band AC2400 - 540Mbps transmit two signals for better overall performance Band steering directs your device to the strongest signal MU-MIMO provides faster speeds for multiple wireless devices to simultaneously send or receive multiple data streams 9 powerful antennas cover up to 3000 sq. ft. Beamforming and Enterprise-grade security and privacy for added peace of mind Offers both 802.11n - up to 600Mbps (3x3n) and 802.11ac -- up to 1734Mbps (4x4ac) 2 IEEE 802.11a/b/g/n/ac for enhanced bandwidth