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Electronic identification by radio frequency is a method of identification used in many applications, based on a signal exchanged between an electronic microchip (the transponder) and a scanner.
In animals, the transponder (a small electronic chip in a glass capsule the size of a grain of rice) is implanted in most cases subcutaneously (under the animal's skin) thanks to an implanter, a small syringe with an appropriate needle.
The transponder has an identification number unique to the animal. This identification number can be scanned from a certain distance (a few centimeters) using a specially designed scanner. When it approaches the implantation zone of an electronically identified animal, it reads the code transmitted by the transponder implanted and a number is displayed on the scanner's screen.
This identification number is listed in a database... thereby making it possible to find the owner of an animal that has been lost or stolen.
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