The mobile phone (also called a wireless phone or cellular phone) is a short-range, portable electronic device used for mobile voice or data communication over a network of specialized base stations known as cell sites. In addition to the standard voice function of a mobile phone,telephone , current mobile phones may support many additional services, and accessories such as SMS for text messaging email packet switching for access to the Internet , gaming, blue tooth infrared, camera with video recorder and MMS for sending and receiving photos and videos Most current mobile phones connect to a cellular network of base stations sell sites which is in turn interconnected to the public switched telephone network[the exception is satellites phones.
No comments:
Post a Comment