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TV antenna injector: what is it?

aiglenoirdu29 Posted messages 11426 Status Contributor -  
 job -
Hello,

I’ll explain my problem:

I have a flat antenna on my house, and a TV outlet in each room.

On the TV cable in one room, there’s a small device labeled 'injector,' which is powered by a small transformer.

If I unplug the transformer (thus cutting the power to the injector), the rest of the house has no TV!

I would like more information about this little device, its purpose, and why the rest of the house depends on it.

Thank you.

--
What you wouldn’t do in a real conversation face to face with your counterpart,
don’t use the Internet as a shield to do so.

2 answers

  1.
    jsrm Posted messages 645 Registration date   Status Member Last intervention   118
     
    Hello

    It is normal that you have an injector because you must have a digital antenna. This (the injector) is used to inject a power supply into a coaxial line.
    --
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    4
    1. injectl
       
      An antenna is neither specifically digital nor analog; it is a device that captures radio waves through the air, including terrestrial TV and satellite TV.
      0
      1. aiglenoirdu29 Posted messages 11426 Status Contributor 2 363 > injectl
         
        ok thanks.

        it's a 'dish requiring an external power supply'

        however, the satellite tv might be tough, right? ^^
        --
        What you wouldn't do in a real conversation with your interlocutor,
        don't use the Internet as a shield to do it.
        0
    2. sunbird203
       
      Hello,

      I have a TNT antenna with an injector (Flagtv). Could you tell me if it's possible to amplify it?

      Thank you very much.
      0
      1. job > sunbird203
         
        I am interested in the response because I have this issue and I don't see what to do; as soon as I connect my antenna with its injector to the amplifier, I no longer have image and sound.

        Thank you.
        0