The basic principles of modern mobile phone systems, several basic techniques and the current widespread use of the more typical mobile phone recycling system Sony mobile phone LCD screen, more fully reflects the new technology of mobile phone development. The basic concept of satellite phones, sorting, cell phones, working principle, for the reader to understand the satellite phone system to help. Modern mobile phone in digital microwave transmission mode mobile phone handsets and atmospheric laser two typical methods, aims to introduce the respective transmission characteristics, composition and application systems. Switching technology in circuit-switched technology, from generation circuit switching technology starting to respect the basic switching networks, digital switches exchange process, and so do a detailed introduction. After the mid-19th century, with the telegraph, the telephone's invention, electromagnetic waves found a lot of recycling mobile phone LCD screen, the phone has a huge field of human fundamental changes to achieve the use of metal wires to transmit information superiority recycle mobile phone LCD screen, even by electromagnetic waves for wireless phones, so the myth of the "ears", "telescope" into a reality. Since then, humans can transmit information from the conventional visual, auditory recovery mode mobile phone LCD screen, electrical signal as a new carrier, so bring a series of technical innovations, began a new era of human phones. In this section, we will introduce the 100 years of the most representative of mobile phone technology and mobile way. Recycling mobile phone LCD screen mobile phone recycling company in Changchun _ _ LCD electronic Obo Obo provided by Shenzhen Electronic Technology Co., Ltd. Shenzhen Electronic Technology Co., Obo (www.aobodz.com) strong, credible, in other industries, Guangdong Shenzhen accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Obo electronics and you hand into the brilliant, for a better future!