Tag Archives: communications

How To Choose The Radio ?

The radio – it’s radio transmission device. Consists of a receiver, transmitter, battery and antenna. The radio is used for voice transmission from one person to another at a distance. At the same time when negotiations between the stations you … Continue reading

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TVs Meters

Phones with external activation controlled phone here does not even touch hands. Information removed from the telephone lines lying in the tube by an external high-frequency oscillations activate its microphone and sometimes through the interception of micro appearing in an … Continue reading

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