Model: TV98-- ATV plus. I/O 1 4K 2K UHD Output, 2.0A. Bluetooth BT5.0. WiFi 802.11 b/g/n 2.4G.+5G WIFI+Blutooth 5.0. WiFi 2.4G, 5G, and 802.11ac. Dual WiFi design, using 802.11 technology for faster transmission speed and more stable signals.