The Sum Up 3G comes with a built-in 3G SIM card, free, unlimited data & Wifi connectivity. So you can take payments wherever you are. Pair it with the Sum Up 3G Printer & get a charging station, a printer & a stylish cradle fit for any business. The Sum Up 3G was designed to be a credit card reader for small businesses on the move. The card reader’s Bluetooth, Wifi connectivity & built-in SIM with free, unlimited data means your Sum Up Card Reader can take card payments wherever your business goes. Paired with the The Sum Up 3G Printer means that you can charge your card reader & print receipts on-the-go. It also acts as a countertop cradle so you can let your customers know you take card payments. Setting up an account & card reader is simple, all you have to do is sign up to Sum Up, & follow their 4 step manual to set up your new Sum Up 3G Card Reader & Printer. Sum Up’s Card Readers are all contract-free & don’t come with any added fees or surprises. You only have to pay a standard 1.69% transaction fee whenever a payment is made. All Sum Up card readers & products accept major debit & credit card brands as well as NFC payment options so you can take card payments with ease. Choose from contactless, Chip & PIN, or look into our other products for remote payment options. You can find a full list of accepted cards here: Visa V. PAY Mastercard Maestro American Express Discover Diners Club Union Pay Google Pay Apple Pay