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#1
Fresh Batch

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Hi. Noob<-- This will very shortly become very obvious.

 

I write. I'm in the middle of a cop story where the bad guy has a surveillance camera mounted to watch a kidnap victim and he's using a high-gain antenna with a cable attachment to a laptop to capture the feed from about two miles away.

 

SO - cops find the laptop and can watch the feed, but don't know where the victim is, though they know it must be line-of-sight. They need to capture the feed and send it to a detective in another town. But - the bad guy's stuff, including his laptop, is evidence. And, the kidnap is on-going. That is, they need to do this without interfering with the equipment that exists or disturbing the feed. 

 

I do know you can use a camera, antenna, cable and computer to capture.  I don't know  - and would like to know -

 

1. If the bad guy can leave the laptop and have it automatically upload the feed to some online site?

 

2. If there's a wireless (or other) way to intercept the signal from the antenna and capture it on another laptop? 

 

I'm sorry I'm an idiot about these things. And very humbly ask anyone with any expertise for guidance. I'd really like it if people who weren't idiots and read my story not to have to groan and roll their eyes because either you can't do that - or why didn't they  just?

 

Thanks....


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#2
azarl

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you can't do that

 

You won't pick up signals from a surveillance camera 2 miles away without a clear line of sight. Why not have your protagonist use a smart phone with a Bluetooth wireless connection to the camera. Use an app on the phone that uploads the video to the Cloud. A class 2 Bluetooth transmitter has a range of 30 feet and a Class 3, 300 feet.


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#3
Fresh Batch

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you can't do that

 

You won't pick up signals from a surveillance camera 2 miles away without a clear line of sight. Why not have your protagonist use a smart phone with a Bluetooth wireless connection to the camera. Use an app on the phone that uploads the video to the Cloud. A class 2 Bluetooth transmitter has a range of 30 feet and a Class 3, 300 feet.

 

 

Thanks for talking to me. He has a clear line-of-sight. The antenna and laptop are on an abandoned firetower. The Camera is across the valley in a tree he's cut the branches off of. The antenna has a five-mile range. The tower is about two miles away as the crow flies. The trick these days, is doing anything technological without it being traceable. 

 

He has to be that far away because the victim is dying. The serial killer is recording that. And he's not going anywhere near the crime scene again to recover his equipment. But, he is going back to the abandoned firetower. So, can he set up a wireless connection to the antenna? (I don't think this killer is any more tech savvy than I am. Or most people in an audeince are.) If there can be an app on a phone that will upload, there can be one on the laptop, yes?

 

It just occurred to me I should make this clearer. There has to be a laptop so the police, when they find the antenna and laptop, see the victim on it and know what's going on. Also, they can watch the struggle of the victim and know how much time is left for them to find the victim someplace on the mountain.  It's far enough away, that they still have a large land area of wilderness where the victim could be. So, this means they can see the victim but not be able to find the victim.


Edited by Fresh Batch, 28 August 2015 - 10:53 AM.

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#4
azarl

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Yes you could have a program on your laptop to record and stream to the cloud. You'd need an Internet connection for the laptop (dongle)


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