
NFC stands for near field communication. It is a communication system that is only effective when the devices are in close proximity or touching. The method does not require Wi-Fi or data, and it is free to use. It sends and receives data through radio waves, which is why powerless objects like cards can still carry a signal for use when they contact a powered device. Using NFC simply requires a small chip. There are three modes of NFC that smartphones can engage in. Reader/writer: This method allows your phone to read passive tags. Peer to peer: This use helps…