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Network communication

The difficulty of installing SCS is a factor that givesa distinct advantage to the wireless environment. It can be particularly useful in the following situations:

  • in the premisescrouded with people (e.g., in hallways or reception rooms);
  • for employeeswithout a fixed work place (e.g. doctors or nurses);
  • in the isolated buildings and facilities;
  • in the premises withfrequently changing layout;
  • in buildings (such as historical sites or architectureattractions), where pulling the cable is not permissible.

Depending on the technology, wireless networks can be divided into three types:

  • local area networks — a typical wireless network looks and functions almost the same as a plain cable network, with the exception of the transmission medium. Wireless network adapter with a transceiver is installed in each computer, and users work as if their computers are connected by a cable.
  • extandedlocal area networks — some wireless components are able to function in extended local area networks similarly to their counterparts in cable networks. Wireless bridge, for example, is designed to connect networks that are located at a distance up to several kilometers from each other.
  • mobile networks (mobile computers) — in wireless mobile networks the transmission media is constituted by telephone systems and public services. It uses batch wireless connection, cellular networks, satellite stations. Employeeswho are constantly on the move, can use this technology with portable computers or PDA, they can exchange e-mail messages, files and other information.

The main differences between these network types are transmission parameters. Local and estendedlocal area networks use transmitters and receivers owned by the organization that operates the network. For laptops the medium of signal transmission are AT&T, MCI, Sprint, local telephone companies and their public services.

Wireless LANs use four methods of data transfer:

  • infrared radiation;
  • laser;
  • narrow band broadcast (single frequency transmission);
  • scatteredband broadcast.

Why us?

Professional advice

We will show you how to do it better and faster

We implement technically complex solutions

We develop technical specifications and coordinate them with the relevant authorities

We work directly with manufacturers

We have signed partnership and dealer agreements with many manufacturers, which guarantees high quality of equipment and low prices

Quick delivery of equipment

If the required item is on stock, we are ready to deliver the equipment on the next day after signing the contract
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Reviews

LLC «Saturn» expresses its gratitude to the engineering company LLC «Liman-trade» for the high quality of the delivered Siemens equipment. The necessary technological equipment corresponds to its functional purpose.
I would also like to note the high discipline in performance of contractual obligations, strict adherence to deadlines and favorable supply conditions.
For three years, we appreciate working with your organization, and we express our sincere gratitude for the conscientious attitude and for good working relationship between the companies.
We wish you success, economic and financial prosperity and further strengthening of relationships for the benefit of our companies.

А.А. Kuzmin

Director General LLC «Saturn»

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