Radio facility in a mobile device is an important aspect of the mobile device. But this Radio facility is not present in many advanced phone like iPhone. iPhone do not has Radio chipset instead it can play online radio via software application.
Bluetooth is a special wireless communication technology with short distance usually within 10 metre. By this technology, data in the form of images, videos, contact etc can be transfer from one mobile to another mobile. In Bluetooth technology a short-wavelength UHF radio waves in the ISM band from 2.400 to 2.485 GHz is used.
Near-field communication or NFC is a communication protocols that can communicate between two devices. As the name itself indicate, the NFC is the near field. To communicate each other the device should be within 4 cm.