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Long range wireless camera trigger used at three miles

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Uploaded by on Oct 21, 2008

Using normal walkie talkies and a special switch, I made a long range wireless camera trigger that can fire a remotely mounted camera at distances up to 20 miles or more (range depends on walkie talkies used with my switch). Learn more at www.robertbenson.com/blog

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Education

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Top Comments

  • She must really like you to do all that

  • Any way to hack these kinds of radios for triggering flashes, or is there no way to overcome the flash delay?

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All Comments (66)

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  • what is the middle piece? your "apparatus"

  • That is pretty awsome

  • waht the name

  • hmmm looks like a FRS/GMRS radio and you have it set to a licensed GMRS frequency and that does not have 22,000 radio channels. Only CTCSS tones with many combos. Only one radio can occupy the passband at one time or else you have interference, interference is caused by two or more transmitter occupying the same passband with comparable strengths, CTCSS does not solve interference it just does not listen for other transmitters, but yet interference is still there if there was some beforehand.

  • you are GENIUS!

  • COOL!!!

  • no it doesn't have 22,000 channels! it has a few channels with a lot of different ctcss tones. ctcss doesn't provide privacy in any way. Radios will go further if both are line of sight, but on a few hundred milliwatts will not go 20+ miles!

    stick to cameras, you know very little about radio.

  • No, not 22,000 channels. A PL tone does not create a new channel or get rid of interference, it just covers up other users and interference on the same channel.

  • you have schematics of your switch?

  • Never trust the manufacturers claims of the distance. They can go for probably a hundred miles if you have line of sight, or less than a metre if you have a think block of lead in the way. It all depends on surroundings.

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