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This is a tutorial for getting Terminal access for your smartphone via Bluetooth. Find this and other hardware projects on Hackster.
The Hypercom Optimum M4240 is a powerful Bluetooth terminal for unmatched functionality in a compact and portable design. Its slim form factor makes it perfect for handing over to the customer. And because the M4240 doesn't rely on costly cellular phone carrier data fees, this wireless payment solution is also reliable and inexpensive.