TP-Link AC1900 Whole Home Mesh Wi-Fi System. Product colour: White, Antenna type: Internal, Product type: Mesh router. Wi-Fi band: Dual-band (2.4 GHz/5 GHz) , Top Wi-Fi standard: Wi-Fi 5 (802.11ac) , Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n) , Wi-Fi 5 (802.11ac) Processor frequency: 1.2 GHz, Firewall security: SPI Firewall, Transmitting power (CE) : 20 - 23 dBm. Width: 162.3 mm, Depth: 90.7 mm, Height: 90.7 mm. Number of products included: 2 pc (s) , Number of adapters included: 2 pc (s)