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I'm having difficulty finding such a device, probably because I don't really have the right search term for them or they don't exist.

I have tried:

  • Wireless usb hub,
  • Bluetooth usb hub,
  • Portable usb hub,
  • Wireless peripheral hub

No luck finding what I am looking for

What I'm looking for is a on-the-train workstation solution to all of my boredom problems. I spend a lot of time commuting using public transit. That's a lot of unproductive sitting-time. I want to make more use of that time.

Problem, is I can only take my backpack with me, I can't take my desk.

So, what I'm searching for is a (hopefully plug-n-play) device that allows me to plug in flashdrives, external HDDs, card readers, and other miscellaneous external devices (like TI-84 graphing calculators, smart phones, microcomputers, web cameras, audio equipment, bla, bla, bla) cordlessly, with a built-in power supply (As much as I'd like buses, uber cars, and trains to have outlets, they don't)

I'm thinking it would use wireless networking, and not bluetooth, because I don't think bluetooth can handle a tremendous load.

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These things do exist in theory - for example https://m.alibaba.com/product/60020735464/Protable-1000M-hub-2-0-print.html?spm=a2706.7843667.1998817009.6.AQcVLj#show_specifications- but they seem to overwhelmingly be unpolished junk. You might get lucky though. As far as powering them, as this uses 5v, 2 amps, you could use a USB power bank - and 3d print a case if necessary.

Half a step up might be http://www.silexamerica.com/products/connectivity-solutions/device-networking/usb-parallel-connectivity/ds-600/ - but as it requires 12 volts you would need a more sophisticated power bank. They do exist (I have one) but are clunkier, bigger and harder to find. Look at stores that sell car accessories - these things are sometimes sold as jump starters.

Lastly I found https://www.eltima.com/usb-over-wifi/ but It's short on price and specs.

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