19 How They Make Mobile Communications

How They Make Mobile Communications

Posted on August 18, 2010 by team

How They Make Mobile Communications 7

The huge part of the populated area of Russia is covered with base stations. In the fields they look like red and white towers and in the city they are hidden on the roofs of houses. Each station receives a signal from a cellphone at the distance up to 35 km and communicates with a cellphone via engineering channels and voice canals.

How They Make Mobile Communications 2How They Make Mobile Communications 3

A base station represents a couple of iron boxes locked inside a well-conditioned room.

How They Make Mobile Communications 4

An antenna of a base station has some sectors. The vertical one communicates with mobile phones, the round one connects the base station with a controller.

How They Make Mobile Communications 5

Each sector can support up to 72 calls at the same time. Each base station can support up to 432 calls. Cellular operators prefer to use more base stations to get better quality connection.

A box with 3D equipment looks like this:

How They Make Mobile Communications 6

A base station may work in three diapasons:

900MHz – long-distance signal;

1800MHz – shorter-distance signal;

2100MHz – 3G net.

How They Make Mobile Communications 7How They Make Mobile Communications 8

An ordinary cellphone may send a signal at the distance 70km.

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From the base station the signal is sent to the controller looking like this:

How They Make Mobile Communications 10

Depending on the equipment a controller may support up to 60 base stations.

A switchboard looks more interesting.

How They Make Mobile Communications 11How They Make Mobile Communications 12

Each switchboard supports 2-30 controllers. It occupies a huge hall full of equipment and various boxes.


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19 Responses to “How They Make Mobile Communications”

  1. Dovanov says:


  2. Testicules says:


  3. Chololo says:

    I want some of those monitors for my living room

  4. Ivana Benderova says:

    Photo #8 with bird nest in the microwave antennae had me thinking that if this bird lays eggs, they will be instantly hard boiled!

  5. SovMarxist1924 says:

    “Electrification will regenerate Russia.” Lenin (1920)

  6. are you kidding says:

    Just look at the American technology that we gave the world to improve civilization .

  7. are you kidding says:

    China the land of no freedom and cheap labor and shoddy buildings

  8. are you kidding says:

    China better be glad us Americans buy your cheap garbage from over there and give your commie government more power too not let the people of China be a free nation .

    • Archy Bunka says:

      A. Bunka here. While communism was falling like so many dominos back in the eighties, George Bush went ahead and gave China most favored trade status. Now were all out of work. Great foreign policy huh? Now were stuck with a communist dictatorship with the power of a capaitalist powerhouse, a decision we will regret.

  9. acidwash says:

    hory sheet

  10. FLAC says:

    Russia have high quality cell network!

  11. George Johnson says:

    Careful what you wish for…..

  12. muzzer says:

    Only chinese i know is number 74 on my menu. Chicken Curry fried rice. wery wice!

  13. Archy Bunka says:

    A. Bynka here. Chinese are already learning Enlish and English too.

  14. P rivet says:

    It’s truth www’nytimes’com\20108\16\business\global\16yuan.html?_r=2&pagewanted=1&hp

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