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Cell phone antenna

A cellular phone is a portable mobile communication terminal powered by batteries. A cellular phone uses frequencies in microwave range to reach a base station, which then relays communications through a telecommunications network to a destination. Such a phone relies on a transmission antenna that radiates energy outwardly in all directions. Mobile phones or cellular phones offer a widening range of services for data communications, such as text and video transmissions, in addition to voice communications. Accordingly, the performance of the antenna, which is used for transmitting and receiving radio waves, and inputting and outputting signals, is a crucial factor affecting the performance of mobile phones. In general, cell phones comprise various shapes of antennas. The antennas serve to improve transmission and reception sensitivity of the portable communication terminals. Such an antenna is usually retracted into a housing of the cell phone, such that it can be extended out of the housing whenever it is necessary. A typically used antenna for the mobile phone is a combination of a helical antenna and a whip antenna.

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Cell phone antenna product listings

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