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John, In reality you do not need a transceiver for the audio and video. You can get by with a modulator and antenna on the robot since it is a one way link. (We are talking you school project? First robots cannot transmit without permission.) In a pinch you can remove one from an old VCR and just wire audio and video to the connections used in the VCR. It will transmit on the standard channels used in your country. As to a two way control link, there are lots of products that are available as kit form from elctronics catalogs. Try looking at mcminone.com or Mouser. A kit maker here in the US that has some interesting stuff is Ramsey electronics but I don't know if they sell outside the US.
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Hy,
If I'm not need a transceiver, what I'm needing, I said before, it has to transmitter the audio and video to distance more than 1 km, please if you know a something whatever what its tell me,
(If you don't know I'm just beginner in robotics so I don't know every thing you may writing it, so please if you can explain what I'm doing with VCR and what is the modulation),
If any body read any tutorial about Remote control rover that transmitter audio and video and instruction just give the URL and I will try to understand it, I just need the method or technique or the way or the H/W that allow me to transmitter the previous things, I'm sorry if I'm don't understand what you may said before, but please be patient with me, and hope any body help me for what I want...
Thanks In Advanced For Whatever Help