Hi, I am new to this forum and a new Paypal here user. I have my reader paired to an Iphone and find that it works over wi-fi or 3G. As I understand the system at a basic level, you pair your reader to your phone using the blue tooth connection, then your phone connects to either your wi-fi connection or your phone network depending on availability and your location for the data to be sent. To keep mobile network data costs down I think the more you use wi-fi then the cheaper it would be. At events like festivals I think your only option may be a mobile network data connection. I am currently using my reader paired via bluetooth to my Iphone, with my Iphone connected via wi-fi to my broadband router and it seems to be working fine. Hope this helps anyone who is trying to understand the system so their data costs can be monitored. Dave.
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