Vonets VHT4G Hotel Travel 3 in 1 Wifi Repeater 3G/4G Router and US 2.1A Charger Adapter Professional intelligent hotel WiFi device, together with 3G/4G WiFi router function 2.1A charger, automatically fit for most of the smart phone, tablet PC Support WEB remote firmware upgrade, can get the latest firmware free Support local WEB management, Chinese and English configuration interface Support connecting more than 20pcs WiFi terminal at the same time.