The LED headlights developed by Philips in 2008 were first used in the AUDI R8 sports car. This kind of lighting was officially introduced to Taiwan.
LEDs are much higher than the 1,000-hour average life of conventional bulbs, achieving 90% energy savings. Most LEDs are now used in taillights and directional lights, and more and more premium cars have adopted LED headlights. Moreover, the LED is small in size, and can be used with the car design to make various modeling changes. For example, the AUDI car system has LEDs as the light eyebrows, and as the white car driving safety lights. Its service life is almost the same as that of the car, which is quite helpful for driving safety.
With the rapid development of mobile communication equipment, in the mobile communications network engineering design, according to the requirements of the network coverage, traffic distribution, anti-interference requirements and network service quality and so on the actual situation to select the base station antenna, the communication base station antenna is currently on the market work the characteristics of the narrow frequency band, such as directional literal outdoor antenna, The operating frequency band is 860~960Mhz. Those multi-band antennas have the characteristics of high manufacturing cost and complex structure. With the development of communication technology, especially the popularization of 3G communication technology, such antennas are difficult to meet the market requirements. Therefore, to avoid the above problems, it is necessary to provide a base station antenna that is simple to manufacture, low cost, and reliable in performance to overcome the alleged defects in prior art.
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Yetnorson Antenna Co., Ltd. , https://www.yetnorson.com