The customer asks to refer to the archive document of cell phone ...

It actually is to expand the mobile cell phone termination rates. Mobile cell phone users are concentrated in some areas, especially the right to use tri-band cell phone tri-band cell phone because the flexibility in the GSM900, DCS1800 and PCS1900 switch between, so always call constantly and call quality. PCS1900 trillion network in North America (U.S., Canada) and the field of European countries, the widespread use of the communications network segment. As the tri-band cell phone will work simultaneously at three different frequencies among the segments, so the tri-band mobile cell phone is undoubtedly the three network characteristics. From a technical point of view, GSM1800 because of the high frequency band, making the signal penetration ability, so the tall buildings of the complex environment can bring good call quality and communication coverage. The document of cell phone jammer should be under the centralized management.
The PCS1900 channels in North America (U.S., Canada) and Europe have good communication skills, which no doubt for those who frequently travel between intercontinental provide the services they need. For operators, the three-band network to build, is completely alleviated the GSM900 frequency and capacity of the existence of the problem, making the network was further optimized, the peak traffic hot spots to be effective mitigation, termination rates higher, so that business is greatly improved. For users, the emergence of its tri-band cell phone will be the most far-reaching impact, and will be the most practical, since the use of tri-band mobile phone, roaming through the tri-band network, will greatly reduce dropped calls, mobile cell phone applications will be more free. Tri-band cell phone allows users to freely communicate in 120 countries on five continents. The document of cell phone jammer should be archived after being reviewed.

The forum aims to large amounts of information the Internet and advanced wireless digital cell phoneservice and introduced into the terminal, the goal is to produce a different wireless network technologies for the global wireless protocol specification for the adoption of appropriate industry standards organizations, WAP Forum had been established After a positive response by the industry, who have brought together its separate ways. In early 1998, WAP standard formally announced. WAP by a series of agreements, used for standardization of wireless communication devices, such as cellular phones, radio transceivers, can also be used for Internet access, including e-mail, WWW, Newsgroups and IRC (Internet Relay Chat) and so on. Characteristics for wireless networks, such as low bandwidth, high latency to optimize the design, a series of agreements to regulate the introduction of the Internet to the wireless network. Different portable cell phone jammer of different prices have different prices.

WAP and WAP mobile phones only require the support of proxy servers, without requiring the existing mobile communication network protocols to make any changes, making it suitable for CDMA, GSM, IMT-2000 mobile communication system different. In addition, WAP handheld devices occupy as little as possible resources (such as ROM, RAM, CPU, etc.), by strengthening the network functions to compensate for hand-held device itself flawed. As the role of the Internet as Web, WAP application layer hidden in the complexity of GSM, leaving the user-friendly friendly interface. WAP can be built on the GSM-900, GSM-1800, GSM-1900, CDMA IS-95, TDMA, IS-136 (ie DAMPS), IMT-2000, UMTS, W-CDMA, wideband IS-95, FLEX paging system , CDPD and other systems. The expert group ofcell phone jammer will carry out the technical problem analysis of cell phone jammer.

Include the following five protocols: Wireless Application Environment (WAE) Wireless Application Environment. WAE is based on the combination of mobile technology and the WWW based on the application environment. The goal is to create a different wireless platforms and service providers allow users to interact with the environment. WAE includes a micro-browser with Wireless Markup Language WML, WMLScript, wireless telephony applications, content, format and other functions. Wireless Session Protocol (WSP) Wireless Session Protocol. WSP protocol has high latency, low bandwidth networks, a special optimization. WAP / B connection allows the use of WAP Proxy WAP / B of the standard HTTP client and server. WAP services for both sessions provide a unified interface: one at the top of connection-oriented transport layer protocol WTP service; the other is in a safe or secure datagram service (WDP) on non-connected service. The technical problem analysis of cell phone jammer will be finished in the afternoon.

Source: http://www.portablecellphonejammer.com/the-customer-asks-to-refer-to-the-archive-document-of-cell-phone-jammer/

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