You can get a portable Travel router as well
https://smile.amazon.com/TP-Link-Wir...3947308&sr=8-4 This way, if you have several devices or a device like a Chromecast that only works through a router you'll always have this guy broadcasting your wifi signal.
This device may seem complicated to figure out at first, you'll still need a source of Internet... either your phone's 4g or Park Wifi. Once you use it a couple of times and get the hang of how handy it is it'll be second nature.
It runs on USB power and you can connect as many devices as you want to it, where it really shines is if you happen to stay someplace that makes you pay for Internet per device..... (hotel) you log this one device in and share that connection with as many devices as you want.
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