TP-Link Deco X20(3-pack). Product color: White, 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), Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax). Firewall security: SPI, Mobile operating systems supported: Android 4.4, Android 5.0, Android 5.1, Android 6.0, Android 7.0, Android 7.1, Android 7.1.2,..., Parental control features: Bedtime, Content filter, Custom profiles, Family time, Pause the Internet, Time controls,.... Certification: CE, FCC, IC, NCC, BSMI, IDA, RCM, JPA, JRF, VCCI, KC, RoHS. Width: 114 mm, Depth: 110 mm, Height: 114 mm