The chip is divided into several parts

Active or active chips, the difference between this kind of battery is its battery, which can generate electromagnetic waves up to 100 meters, and this chip is in a constant alarm state and is active when the signal arrives from the reader.

passive or passive chips, they do not rely on batteries to transmit electromagnetic waves, resulting in a reduction in transmission distance. The reading range can be determined from 4-5 meters. It is fed by the electromagnetic wave energy emitted by the reader and the response is also compared slow.

Semi-passive chips are similar to active chips because they are more sensitive than negative chips, and they have a longer battery life than active chips, and can perform other functions, such as temperature recording, depending on their own energy sources.

Use GpS technology to detect chips or GpS devices.

First of all, you should have a mobile phone (Symbian-Java-Android-IOS) that can be used with any system, let the mobile phone automatically search the cellular network around you, and slowly start to turn around, focusing on the mobile phone screen.

If the phone detects any new network around you, the name of that network will appear on the screen.
In this case, please stop turning and start moving in the same direction as the stop, and continue searching on the ground or wall The right distance.

If you ca n’t find the chip or device, please repeat the search to make sure you are in the right direction. If there are many obstacles around the house or house, please go to the roof or any other place, and then start the search and turn around.

If you find a chip or device, remove the battery that provides the current to the chip or device, and keep the card "if necessary" until later.

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