TP-Link AC1900 Whole Home Mesh Wi-Fi System, 3-Pack. Product colour: White, Black, Antenna type: Internal, Product type: Mesh system. Wi-Fi band: Dual-band (2.4 GHz/5 GHz) , Top Wi-Fi standard: Wi-Fi 5 (802.11ac) , WLAN data transfer rate (max) : 1900 Mbit/s. Firewall security: SPI, Mobile operating systems supported: Android, iOS. AC adapter input voltage: 100 - 240 V, AC adapter frequency: 50 - 60 Hz, AC adapter output voltage: 12 V. Width: 90.7 mm, Depth: 90.7 mm, Height: 162.3 mm