<font color="blue"> How much does a wireless video camera system cost? What is the broadcast distance?
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You can get a little wireless camera from X10 for $69.00 that will transmit sound and color picture about a hundred feet or so. They have BW that can see in low light for about the same price(their stuff is always going on sale). Hook it to a cheapy VCR and use their $49.00 motion sensor package and you're set. That's the cheap end. I've installed a $10,000.00 camera that transmitted picture one way and camera controls the other way over laser beams. It had a distance of 1.5KM and was subject to rain/fog/snow faid... but if it was snowing or raining real hard, all you'd get is a nice picture of rain or snow anyway. It was kind of proportional. /forums/images/graemlins/smile.gif That connected to a system with a $5000.00 time lapse video recorder that could take multiple camera inputs.
Now, with wireless networking being so cheap, things like laser transmitting will be a thing of the past. I have a friend that has two, $400.00 radios mounted on towers that transmit about 17 miles unamplified. It's a full 11Mbit connection and can transmit data, voice, video or combinations of the three, depending on what they want to do.
If you ask me, you can secure yourself into the poorhouse. A good, basic system with switches on the doors and windows, good, loud sirens both inside and outside the house, maybe an autodialer to call family or friends, and modules to flash the outside lights will scare the bajeebers out of most folks looking for an easy score. Don't forget about any outbuildings, too.
They make devices that look like a cradle for a cell phone. You wire your house for two phone lines. Then pop the cell phone into this cradle and anything connected to the second line jacks in the house will use the cell phone to dial. That way, even if the criminal cuts your land line, the cell phone will make the autodialer call. With the new legislation pending to make it possible to transfer your land phone number to a cell carrier, these things will become more common.