I am sure its good device, but I think it need some setups. So when I had attached the home internet to the router , the websocket was working. I went to an event, there I didn't need internet so I didn't connect any. But I have a sim card in it so anyway I had internet. Anyway...the websocket didn't work. I tested now at home the router. While I connected the home internet to hte router it was working fine, as soon I unplugged the internet the websocket gone.