Mobile phones, also called (1) ……………………………. , or cell phones for short need a network of towers or antennas to transmit calls. In a cellular system, a city is divided into smaller sections or (2) ……………. where the (3) ………… usually occupy a central position. When you are outside your service provider’s (4) …………….. area, your telephone may become out of (5) ………… unless your telephone allows (6) …… , i.e. the ability to use another service provider’s network. посчитайте пжж
1. An electronic device used for full duplex two-way radio telecommunications over a cellular network of base stations known as cell sites is . . . . . (mobile phone)
2. Mobile phones differ from . . . . (cordless telephones)
3. A mobile phone allows for . . . . (the user to make and receive telephone calls to and from the public telephone network which includes other mobiles and fixed line phones across the world)
4. Addition to being a telephone is . . . . . (modern mobile phones also support many additional services, and accessories, such as SMS (or text) messages, email, Internet access, gaming, Bluetooth, infrared, camera, MMS messaging, MP3 player, radio and GPS)
5. Low-end mobile phones are . . . . . ( often referred to as feature phones, whereas high-end mobile phones that offer more advanced computing ability are referred to as smartphones)