Portable wlan hotspotsIt's a cell phoneMove dataNetwork-opened wifi hotspots, their rationale and the use of computers connected to broadband to open a wireless wifi hotspot sharing are essentially the same. But we don't usually use this portable wlan hotspot in our lives, because when you turn it on, it's when someone connects to this cell phone createdWireless networkAnd your mobile data traffic will increase dramatically. So what's the use of