Bluetooth technology is a real-time technology, it does not require fixed infrastructure, and easy to install and set up. You do not need cable connection can be realized. New users are not demanding - you need to have Bluetooth brand product, check

An automated teller machine (ATM) (American, Australian, Singaporean, and Indian English), also known as an automated banking machine (ABM) (Canadian English), cash machine, cashpoint, cashline or hole in the wall (British, South African, Sri Lankan,