Smart Phone Antenna

Every smart phone has a mobile phone antenna

Every smart phone has a mobile phone antenna. When you use a number of ways to pick up almost all the smart phone will lose signal strength. To ensure that the phone antenna can be as much as possible to do our best, Apple has invested more than one hundred million U.S. dollars to build advanced experimental center. Apple's engineers have invested thousands of hours of top facilities design and testing of the iPhone 4.

The contrary, the amplification will be prone to weakening of the role of signal to be hindered. All antennas - including television, radio, GPS and mobile phone antenna - will appear to weaken. For most of the antenna, the density of the human hand and composition in comparison with other substances which can cause weakening more. On the mobile phone, when your hands come into contact with the antenna is the most sensitive part of the cause weakening, usually so that the signal is weakened. For the iPhone 4, the lower-left corner of the antenna rim of black belt.

Apple never without a comprehensive test on the launch of the product. To this end, the Apple billions of dollars of U.S. dollars to build the antenna design and testing of experimental center. These experimental center is equipped with 17 different antenna characteristics of the test room (or "anechoic chamber"), are designed to measure accurately the antenna and wireless performance.

Apple's anechoic chamber are connected to sophisticated equipment, analog mobile phone signal transmission, the Wi-Fi networks and Bluetooth devices - even GPS satellites. Test chamber to measure performance in the open space, and with simulated human tissue material (for example, in the head and hands), as well as the effect of human use. In the development cycle in one to two years, Apple's engineers have invested thousands of hours in the experimental center of the antenna and wireless performance test.

Apple engineers had in a number of different scenarios, the environment and situation to test the performance of the iPhone 4. They spent thousands of hours, the call quality in a number of cities in the United States and around the world testing the iPhone, break the performance of the play and end the call, and the use of time. They tested the iPhone 4 in the static, fast-slow, urban, congested urban areas, as well as performance on the highway. Both good and poor coverage areas, the busy and non-peak time - the iPhone 4, the practical application of the test, almost around the world, different vendors and network equipment, coverage of all possible scenarios.

by: planner

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