Re: Onboard cameras, what frequency?


"Doug McLaren" <dougmc+usenet@xxxxxxxxxxx> wrote

| and lower frequencies being less directional and less "line of
| sight" but wasn't sure if I'd be better off using 434Mhz and viewing
| on channel 59 or getting a 900Mhz wireless TX and RX.

Ultimately it doesn't matter much. Personally, I'd go 900 MHz just to
avoid any need for ham radio rules.

--
Doug McLaren, dougmc@xxxxxxxxxxx


I forget the original question.

The best results will be obtained with a camera, not an airborne video link,
assuming that you are not trying to fly the plane with video.

Most .46 and upward size models wouldn't have trouble carrying both a
solid-state camcorder along with a 2.4 GHz license free video Tx. Line of
sight gives the high frequency, low power 2.4 GHz video links a leg up
compared to lower frequency/higher power amateur gear on 70cm.

So, that leaves six meters and the 72 MHz band left for controlling the
model. There will be virtually no interaction between the flight controlling
electronics and the video's electronics. You don't even need a ham ticket if
you fly on 72 MHz. Lots of good used gear available lately on the six meter
and 72 MHz bands because of the introduction of spread spectrum on 2.4 MHz.

I have a low power combination video camera and Tx module that utilizes 1.2
GHz Tx frequencies. I'm beginning to wonder if it is actually legal in the
US. I bought it online (eBay) and just assumed it was legal. Guess I'd
better start looking up the facts in the FCC rules and listings. It's
probably a Part 95 thing, but I'd like to be sure.

Ed Cregger


.

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