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Home::Technology & Science
6 Factors for Purchasing the Right Wireless Spy Camera
Author : Max Penn
Wireless spy cameras let you easily see whatever you want to see
and finally at an affordable price!
You can now get the evidence you want with sophisticated, super
small spy cameras. From cheating spouse to the nanny and
children, a spy cam can see it all.
How It Works
The camera captures what is in the field of view
and transmits the video footage over radio frequencies. The
video is then picked up by a receiver that can be hooked up to a
TV for viewing, or to a VCR for recording.
What To Look For
1- Color or black and white -- Color models are
better at distinguishing different items in the field of view
and are also a bit more expensive. Black and white models
usually produce slightly higher resolution images and are a bit
cheaper than their color counterparts.
2- Sensibility to low light -- Measured in LUX. The lower the
number the better the camera sees in low light conditions. For a
decent ability to see in low light, opt for a unit with a lux of
0.05 . For pitch dark situations opt for a lux of 0.03 .
3- Image quality -- Measured in lines of resolution. The higher
the number, the better the image quality. 380 lines of
resolution is usually good enough even for private investigators.
4- Is the receiver included? -- If the receiver is not included,
ask how much one would cost and do the math and see if it fits
your budget.
5- Transmission frequency used -- This is the frequency the spy
camera uses to transmit the video feed to the receiver. You have
the choice of 434mhz, 900mhz, 1.2ghz and 2.4ghz.
Because of interference, you should stay away from 434mhz and
900mhz models. 1.2ghz and 2.4ghz are the better options.
6- Transmission range -- Measured in "line of sight", it is a
measure of the maximum distance the spy cam can stand away from
the receiver and still receive the signal with no obstruction
and interference between the two. The range is usually between
300 feet and 2000 feet depending on the model.
WARNING:This figure can be misleading. Interference and
obstruction are things you will probably be dealing with to some
degree, so never accept the transmission range advertised as the
real world effective range.Ask the store for a more realistic
figure.
IN CONCLUSION
You now have the necessary knowledge to buy
quality wireless spy cameras on your own so please keep in mind
these critical points before making any buying decision.
It will make the difference between getting the evidence you
want and having a useless toy that is no fun to play with!
About the Author
Max Penn makes it easy to get the video evidence you want using surveillance equipment. To learn more about spy cams
including recommendations, visit the http://www.spy-equipment-buying-guide.com/mini-spy-cameras.html">mini spy cameras section of his website called Spy Equipment Buying Guide . Related articles
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