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The BMW Range
3 Series
Notebook in your car
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<blockquote data-quote="jarance" data-source="post: 185524" data-attributes="member: 21"><p>EMF (Electro Magnetic Field Force) is inverse proportional to the square of the distance. Using the formula, you need a very sensitve dectector. With all the noise generated from HP, Satelitte etc, the dectector would pick those signal instead of your Laptop. Bearing in mind that your laptop is in the boot, these would further sheild any radiation of the EMF..</p><p></p><p>As for the cable detector under the wall, yes you can easily buy it from any hardware shop. it cost about RM180. I have bought it before. However, you need to tune it properly to use it. Also it will only work if there is a voltage on the cable. i.e 240 VAC. If there is no voltage on the cable, you can tune it to detect metal (as in copper). However, the working DISTANCE is only 5 cm. This dectector can also be mislead by nail or reinforced bar in the concrete. Hence, go figure out how the detector can detect a device that is running on 12VDC, is about 50 cm away and is shield by the metal cover of the boot.</p></blockquote><p></p>
[QUOTE="jarance, post: 185524, member: 21"] EMF (Electro Magnetic Field Force) is inverse proportional to the square of the distance. Using the formula, you need a very sensitve dectector. With all the noise generated from HP, Satelitte etc, the dectector would pick those signal instead of your Laptop. Bearing in mind that your laptop is in the boot, these would further sheild any radiation of the EMF.. As for the cable detector under the wall, yes you can easily buy it from any hardware shop. it cost about RM180. I have bought it before. However, you need to tune it properly to use it. Also it will only work if there is a voltage on the cable. i.e 240 VAC. If there is no voltage on the cable, you can tune it to detect metal (as in copper). However, the working DISTANCE is only 5 cm. This dectector can also be mislead by nail or reinforced bar in the concrete. Hence, go figure out how the detector can detect a device that is running on 12VDC, is about 50 cm away and is shield by the metal cover of the boot. [/QUOTE]
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