Is it possible to scramble my surveillance camera even though it is not wireless?

Question

My girlfriends ex husband appears to be able to send my survaliance camera on the fritz every time he comes by. I live in a private community so all I need to do is catch him on camera more than once and the police will step in. unfortunately she is usually home alone when he comes by and he has figured out how to scramble the picture on the VCR. it records on a vcr and uses a wire between camera and recording device. any ideas as to how this is possible? any ideas on how to fix it? or at least how to protect against it?

Answer 1

If it is hard wired, you should not get interference unless he is messing with the camera, I would suggest hiding an additional camera and attach it to another hidden vcr to catch what he is doing to the camera as well. Do not even tell your girlfriend though this may come off as not trusting her, it is more narrowing the possibilities.



If it was wireless.



INTERFERENCE



Any wireless signal within the same area that is transmitting at or around the same frequency as your system may cause interference. Every potential application site should be surveyed with a spectrum analyzer, frequency locator or demonstration system prior to installation. Interference is common at the 900 MHz levels and 2.4 Ghz levels. Common causes of interference are microwaves, cordless phones, wireless LAN/WAN's and other wireless systems. We recommend using the 5.8 Ghz frequency band for video transmission to minimize the chance of interference.



Actually for the egotist above, I misread the question and missed the wireless part. I did not answer based off of his remarks however now that he has addressed that, I would suggest that he stay out of the counseling business and stick to being a jerk because anyone who would suggest such a thing right off of the bat is being an insensitive pig. I would believe that he can give such answers based off of experience and not understanding! Just because he is the burner or the burned does not mean that you are. The below part is not my own it is extracted from the refferenced site. Believe what you want but when it comes down to it, I do not suggest thinking that she is cheating as he does, I suggest tapping him to see if he is messing with the camera.

Answer 2

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It depends which wireless or wired cameras you are talking about. "Wired" cameras have a connection for power, a connection for video (and sometimes a connection for audio). These wires are all bundled into a cable that splits out on both sides (the camera side and the monitor/recorder side). If the walls are not yet up in the new house, it is easy enough to run coax or CAT5 or CAT6 cabling. Typically, in a house, the cable runs are short enough that CAT-5 cable works fine - worst case is you can add a balun to both ends. Because they are wired, there is no over-the air signal that can be intercepted. Since the power is in the cable-end, it is pretty easy to deal with - you typically don't move the power...These cameras can be analog, composite, video based or IP network based. You can pre-wire the CAT-5 cabling all over the place. That way, you don't move the cable - you disconnect the camera from the cable and connect to the "other" cable that was prewired. Typically, there is little reason to move cameras. They are there to observe entry and exit - doors and windows. Wireless cameras have a connection for power. They transmit only the video (and sometimes audio) to a base station. For analog video cameras, the base station has a wire for power and a wire for connection to a monitor/recorder. So, ironically, a wireless camera uses more wires that a wired one. The frequencies they generally use are shared spectrum (2.4 GHz or 5.8 GHz). The camera and base station "channels" are matched - similar to the way a garage door opener is matched to its remote device or or blue tooth device is matched to a phone or computer. For IP cameras, there is no "base station" exactly - assuming your house has a wireless router or network access point, the IP-based camera just connects wirelessly to the LAN in the house. If your home network can be hacked, then the video captured by the IP based camera will be visible to the outside. The "recorder" is a dedicated computer being used as a video storage server. Moving an IP camera is easier - but you still need power and adding power can be a challenge. My suggestions: 1) I would not put ANY cameras inside. This just seems creepy to me. 2) Out-door cameras for outside - and analog wired ones, at that. 3) If your house is new - and being built or designed, hire a professional to design the structured wiring to support the cameras as well as the rest of the home's network. If the house is already built and the walls are up, you are sort of stuck. When I built my house, I had the contractor put a riser from the 2nd story attic to a closet on the first floor. I can run cables through it. The closet has power and the surveillance DVR, battery back up for it and the cameras and some other stuff is in this closet. The cameras have views of the driveway, various windows and entry ways... and the DVR is connected to a pair of wires that have RCA jacks near the TVs... so ALL the TVs in the house also are connected using an "extra" AV-in... in addition to being connected to cable/satellite using their other AV-in jacks. The DVR also has a network connection so the Windows computers in the house can see what the cameras see, too. (Not the Macs, though - stupid DVR surveillance manufacturer is too lazy to make a Mac client). If you go IP cameras, then all your computers might be able to access the cameras, but not any other monitors/TVs...

Answer 3

It would be virtually impossible to scramble either the image, or how the VCR records on a hardwired setup. Does it ever happen when you're around?



What's a lot more likely, is that 'your girlfriend' is switching the channel it records from (like to channel 0, which only shows snow) when lover boy's coming over. I can hardly believe you fall for it.



My suggestion is for you to get another setup you can put outside the house. Maybe in the garage, with the VCR hidden, or at a neighbors Don't tell your girlfriend about it. While you're waiting for 'the evidence' your best protection would probably be condoms.



Sorry.



I'm loving the answer from the guy under me. He's all into INTERFERENCE and GHz, and totally ignoring the fact that you said it's a hardwire system. Interference my foot.



Later...

I see he read my answer, then added a new first paragraph. Unfortunately, all he did was say the same thing I'd already said. His answer still doesn't explain how loverboy is tampering with your setup. A hardwire setup can only be 'scrambled' by someone TOUCHING IT. You'd have taped him walking up to your house, before the interference started. All the evidence you need 'for the police to step in'. If you're not even able to get a picture of this guy coming into the area, someone (named 'girlfriend') is protecting him.



Sorry again. The very idea that you're gone so far to try to protect your girlfriend, probably mean you really care. I just hate seeing people taken advantage of.



After your additional comment.



If you believe 'the one guy' is right, there isn't much anyone can say that will change it. There are plenty of women who live with, and love, horribly abusive partners. It is also very common for abusive and controlling partners to beg, promise, and plea that their behaviors will change when they feel themselves losing control of their victims. It's also very easy for women to want to believe them, protect them, and not want to see them in jail. Especially when they have children with them.



You only want answers that fit into what you believe. If I were you, I wouldn't even attempt putting up a hidden camera. Probably better to not know.



Best of luck to you and your girlfriend.

Answer 4

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RE:

Is it possible to scramble my surveillance camera even though it is not wireless?

My girlfriends ex husband appears to be able to send my survaliance camera on the fritz every time he comes by. I live in a private community so all I need to do is catch him on camera more than once and the police will step in. unfortunately she is usually home alone when he comes by and he has...

Answer 5

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Answer 6

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Answer 7

Correct me if I m wrong along one of the camera lines couldn t you hardwire a wireless switch like bluetooth in line. Press the buttn within 20ft it will short circuit effect

Answer 8

1

Answer 9

I have to agree with Ianitellen. It would be almost impossible to cause interference to a hard-wired system. Sorry.