Portable (cell) phones are low-power devices - they have a limited range. Each mobile-phone communicates with at least three mobile 'masts' to establish its location so the network can keep the call connected. These masts cover a set area - or 'cell' (which is why americans call them cell-phones). The masts communicate with each other to connect the call to its destination.
2.4-2.4835GHz
Cellular phones and telephones(house phones) are similar because you talk and listen through them
Approximately 19.68 million land lines and 94.57 cellular phones (2012).
Gustave Barth has written: 'Cellular phones' -- subject(s): Cellular radio services industry, Cellular telephones, Cellular telephone equipment industry, Competition
Sprint is a telephone company which provides cellular phones and wireless service. The phones operate on a CDMA service, and are, of course, portable.
In the same manner people do elsewhere in the world.
CAR PHONES
Because they run on cell batteries
Cellular phones operate using radio waves. With cellular transmission, a local area (ex. a city) is divided in multiple cells. The signals from the cell are transmitted to a receiver and integrated into the regular phone systems. Hence the name of cellular comes from these cells.
Cingular Wireless, now known at AT&T Mobility has a wide variety of telephones for offer, ranging from cellular and smart phones to simple land-line phones. Among their large selection, they sell the latest Apple iPhone as well as a selection of 4G LTE phones.
Wireless telephones are also known as mobile telephones. Examples of wireless telephones are Apple iPhones, HTC phones and Samsung Galaxy tablet/phones.
Yes, there are millions of telephones and cell phones in Egypt.