The workshop has the strict procedure of manufacturing Cell Phone ...

The workshop has the strict procedure of manufacturing Cell Phone Jammers .
Motorola L2000: Motorola L2000 is the first tri-band cell phone. Really enjoy the tri-band services, few consumers, but it is undeniable that tri-band functionality can indeed facilitate those who are often business trips to the U.S. business people. Motorola CD928 +: the first truly full Chinese cell phones. Chinese input can not only edit the text, even the cell phone book can also enter Chinese names. In the process of cell phone culture, CD928 + is a well-deserved ?hero.? Siemens 6688: first integrated MP3 music capabilities, the cell phone with removable storage. Design of the MMC card MP3 cell phones, 6688 is the world?s first, 6688 except with MP3 function, but with removable storage features. 6688 is a powerful multimedia features well-known: with replaceable 32MBMMC card with a computer connected to the base can be transferred and stored MP3 songs and other information. The shielding effect of Cell Phone Jammers in sections can be achieved.
Ericsson T39mc: first Bluetooth cell phone. In August 2001, Ericsson has finally released the world?s first built-in Bluetooth chips, cell phones T39mc, this is Ericsson?s first cell phone to support tri-band GSM and GPRS high-speed Internet cell phone. Nokia 7110: The first WAP cell phones, the Internet is no longer just PC?s patent, the cell phone may have access to the Internet, so that people understand the information more freely. GSM cell phone from the analog era into the era, the rapid development of the major brands of cell phones up to now, most of us are using the GSM cell phone, 2.5G and 3G era has emerged. The manager wants to check the shielding effect of Cell Phone Jammers at first.
GSM (Global System for Mobile Communications, Global System for Mobile Communications) is the world?s leading cellular systems in the world, from major European telecom operators and manufacturers formed the Committee for Standardization designed. It is based on the cellular system evolved, including GSM800MHz, GSM900MHz, GSM1800MHz and GSM1900MHz and several other bands. GSM is used for narrowband TDMA, allows a radio at the same time eight calls.
And standards in accordance with the timetable submitted to the ITU?s screening process, finalized in May 2000, three kinds of major 3G technologies: GSM evolution made by the IMT-2000 CDMA-DS (IMT-2000 direct spread spectrum CDMA), namely WCDMA, it 5M in a wide frequency band spread spectrum signal directly; made by the evolution of CDMA IMT-2000 CDMA-MC (IMT-2000 Multi-Carrier CDMA), that is CDMA2000, which is the technology the United States by a or more of 1.25M of narrow-band direct spread spectrum system consisting of a broadband system. The lower price can be provided for Cell Phone Jammers if the order is large enough.
IMT-2000 CDMA TDD (IMT-2000 time division duplex CDMA): including China?s TD-SCDMA (also known as the low chip rate TDD, LCR TDD) and HCR TDD. Throughout all the name brand cell phone, cell phone abroad can be found are relatively standardized naming, cell phone number and name of each letter has a special meaning ? they not only represent a model more representative of the manufacturers of this type positioning and strategy. But with the increasingly competitive cell phone market, each manufacturer?s new machine introduced more frequent frequency, leading to many manufacturers is not the original numbering system has been used. As many parts of the cell phone number from the 7 l 8-bit, as the number of manufacturers are changing the rules.

Source: http://www.communityrummage.com/2012/08/22/the-workshop-has-the-strict-procedure-of-manufacturing-cell-phone-jammers/

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