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Thread: TBS CROSSFIRE with 1.2GHz Video

  1. #311
    Hey guys, so is the fix for this issue basically putting a high pass on the receiver and a lowpass on the crossfire antenna and then creating as much separation as possible? Also is the 2.4 band effected by these issues too or is it clean to run with crossfire?

  2. #312
    Flyer of the lands Hoss's Avatar
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    Quote Originally Posted by Motocrossman24 View Post
    Hey guys, so is the fix for this issue basically putting a high pass on the receiver and a lowpass on the crossfire antenna and then creating as much separation as possible? Also is the 2.4 band effected by these issues too or is it clean to run with crossfire?
    2.4 is clean - it's the recommended video frequency with the crossfire (according to Trappy). Personally, there's too much other noise on 2.4 where I fly, so long range on that freq is not practical or safe, for me. The solution is 1, test your equipment - it seems lots of people simply don't have any issue. I had a bunch of guys flying crossfire near me recently and I had no issue flying 1.3 video, though I didn't fly long range. Test, and if you find that you have an issue, you can either buy the notch filter specific to your frequency (915 or 868), get a 5.8 repeater and keep some distance from your ground station (recommended anyway regardless for clean reception), or both.

    Scott

  3. #313
    Pilot doobie's Avatar
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    2.4 works awesome for me, but I live in farm country with relatively low noise on 2.4. I do use a repeater at times to keep me in the shade under my tree and the groundstation out in the open.
    flyin HIGH

  4. #314
    Flyer of the lands Hoss's Avatar
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    Quote Originally Posted by doobie View Post
    2.4 works awesome for me, but I live in farm country with relatively low noise on 2.4. I do use a repeater at times to keep me in the shade under my tree and the groundstation out in the open.
    Yeah, it works great where there's no other 2.4 traffic, but where I fly, there's high powered WiFi in nearly every home, which can seriously limit range, being that they're close to my ground station. Usually your can just get some altitude under your belt to overcome it if you encounter it during your flight, but when it's near your station, there's no escaping it. Well, there is... It's 1.3. I'd love to live / fly in a spot that 2.4 was practical in, but I don't. Plus, 1.3 I find is much more forgiving with antenna direction. If you're using a directional antenna like a pepperbox (what I use and by far the best antenna I've tried to date on 1.3) a yagi (ultra directional, but ultra long range) you need to be much less precise than you do with 2.4. my impression is that 2.4 is so much of a consumer / every household frequency, that it's tough to commit to it for your standard freq - this is only my opinion based on my living / flying locations, but some other frequencies are much less (or almost not at all) used, so that's how I got to where I am...

    Scott
    Last edited by Hoss; 27th December 2017 at 01:55 PM.

  5. #315
    Pilot doobie's Avatar
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    I hear ya. I use a 2.4 pepperbox and feel its the best $100 ive spent in FPV by far!!! 2.4 is nice if you can use it. smaller antennas less bulky groundstations. but can lose video behind objects quicker than 1.2 I find
    flyin HIGH

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