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Semyon Semyonov2017-03-22 21:29:23
Data transfer
Semyon Semyonov, 2017-03-22 21:29:23

How to transfer video from a camera in the forest?

I’m not at all familiar with the topic, and I don’t even understand what words to google. In general, the essence is this ... Dad and friends in the forest sometimes hang out (hunting there and all that). They want to set up cameras around the camp and interesting places and have a laptop in the camp itself, which you open and watch what is happening around in real time. Distances from the camera to the camp are from 100m to 2km.
If it was at home, then I would google cameras with wi-fi and all that. And here I don’t understand how to transfer a video image? If there is 4G, then okay (although I don’t really understand where the video is being sent). But if it’s completely forest, then how? Maybe there are ready-made solutions?

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5 answer(s)
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iBird Rose, 2017-03-22
@iiiBird

wi-fi is a network. And it doesn't need internet to work.
one of the options - you buy a couple of routers (and access points) - you place them in the forest. These access points will act as repeaters and will expand the network. Well, in fact, further wi fi cameras will all be in this network - that's what you need.

K
Konstantin Stepanov, 2017-03-23
@koronabora

If 100 meters - hang a twisted pair on the trees and use poe, if 2 km - then use optics, throw power separately. It's all bloody.
UPD.
IMHO, cable overhead lines: 4-fiber optics (self-supporting) + power supply sip (self-supporting) is the best option. But the following problems arise: trees can fall and tear the cable. It is expensive and you need an optics welder with a machine.
1) We clearly define for ourselves where we will lead the cables, draw up a map. If there are ownerless poles, then it makes sense to roll over them, and so - along the roads (IMHO) through the trees, with a clear fixing of the cable into the tree itself so that branches do not grow in these places and the trees are strong. The main thing is that in the place of fastening and further the cable does not rub against anything anywhere. At each end point there is a sealed box with a conventional clutch and a power supply and a converter, or a large cable clutch and put everything in there. It is desirable to keep the splicing of optics in a sealed place.
It makes sense to make nodal points, and from them to lay cables through the trees as a star. It all depends on the geometry of the terrain and the site.
2) If there are normal fire ditches, and they are fresh, then it makes sense to put or bury the cable in them, but taking into account the fact that someday a machine will go there that will update the moat. But the ditches are the easiest to pull, they are long and empty if they are fresh.
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There is another option - a radio channel in the presence of a hill and the ability to build a mast on it.

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Leonid, 2017-03-23
@KonBez

Um, for the third or fourth time in a couple of months I stumble upon a similar topic - in short, this is all a costly and thankless task.
http://forum.videon.spb.ru/viewtopic.php?f=1&t=224...
I advise you to read this topic. And so, as a specialist, I would advise you to pay attention to FPV equipment for drones: cameras and transceivers + batteries for them.
You still have to fence the garden, but the antenna is higher, the battery is better and it can work for 2 km. At the same time, it is worth considering that the range is positioned at 50 km for the most powerful ones, but in the forest it is at best 1/3 of this distance, at best.

V
Viktor, 2017-03-23
@nehrung

The Estonian website www.looduskalender.ee/en/node/22392 has very brief information on how broadcasting from a webcam installed in a nest of white-tailed eagles is arranged:
You definitely don’t need the last stage, but maybe the rest will do?

D
Denis Sechin, 2017-03-23
@tamogavk

One way or another, you will have to pull the power cables ... The simplest solution to pull only power is a wifi bridge and the camera's wifi is not poe

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