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Old Dec 13, 2014, 09:44 AM
Registered User
United States, GA, Augusta
Joined Feb 2010
88 Posts
Best stuff to shield a VTX?

I have a TBS Gemini and there is no room to move the Spektrum Sat away from the VTX that I installed. It's a much higher output unit than stock and I feel that it's putting out a lot more RF so my 2.4 link range is being weakened.

What should I wrap the VTX in? Cooper or Aluminum?

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Old Dec 13, 2014, 11:05 AM
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DanT's Avatar
San Angelo TX.
Joined Feb 2006
1,287 Posts
None!! IMO to much heat!!!!
Think about filters ??
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Old Dec 14, 2014, 08:39 AM
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Joined Apr 2014
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Aluminium or copper but you need to connect your shield to the ground. Also do not leave space to allow the metal to heatsink
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Old Dec 14, 2014, 12:14 PM
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Dennis Frie's Avatar
Denmark, Capital Region of Denmark, Naerum
Joined Feb 2011
1,081 Posts
Shielding the case of the video-Tx is not likely to make any difference. While the case might have a minimal amount of RF-noise, it's a lot more likely to be radiated harmonics directly from the antenna. It could also be the 2.4Ghz receiver, that's not able to handle the power-full signal nearby.

If you really wanna continue with that setup, I would try high/low pass filter on video-tx or 2.4Ghz receiver. You didn't write video-frequency, but I guess you are using 1.2Ghz?
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