iPad networking for point-of-sale

davisn456

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Sep 30, 2015
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What I'm trying to do may just be impossible, but I'd like to see if anyone has any ideas about how to make this setup work.

I'm trying to set up my iPad as a point-of-sale system for processing credit cards at a convention. I have a receipt printer and cash drawer, and the receipt printer connects via ethernet to a wireless router. The iPad, when connected to the router via wi-fi works beautifully to print receipts and open the cash drawer (using the SquareUp app). However, at a trade show/convention, I will not likely be able to use that wi-fi router to access an internet connection. So, tethering to my iPhone seems like a good option, and I am able to do that to process credit cards. However, I am unable to connect my iPad to both the tethered connection and my wi-fi router at the same time. I assume this is a limitation of the iPad, but I'm hoping there's a setting that could possibly fix that.

Does anyone know of any other options, other than purchasing an iPad with cellular data options? Even then, I'm not 100% sure that it could be on the wi-fi network while also on the cellular data.
 
Solution
It will only work properly with one network connected at a time. It can be connected to wifi and cell data at the same time a lot better than tethering though. It's not really just an iPad issue, any computer can have issues when connecting to two connections at the same time.

What you may want to do is setup your own personal setup with the router, get a router capable of cell data connections with a USB modem. Then you have your own portable private network without having to rely on or connect to another wireless connection which may or may not have people trying to hack into your computers.
It will only work properly with one network connected at a time. It can be connected to wifi and cell data at the same time a lot better than tethering though. It's not really just an iPad issue, any computer can have issues when connecting to two connections at the same time.

What you may want to do is setup your own personal setup with the router, get a router capable of cell data connections with a USB modem. Then you have your own portable private network without having to rely on or connect to another wireless connection which may or may not have people trying to hack into your computers.
 
Solution