Radio-frequency systems?
These tags are essentially an LC tank
circuit that has a resonance peak at 8.2 MHz or 2 MHz. Sensing is
achieved by sweeping around the resonant frequency and detecting the dip.
Deactivation is achieved by detuning the circuit by partially destroying the
capacitor . This is done by submitting the tag to a strong electromagnetic
field at the resonant frequency which will induce voltages exceeding the
capacitor's breakdown voltage , which is artificially reduced by puncturing the
tags.
Cobra Tech Co.,ltd
Many products need to be affixed with anti-theft tags before
entering supermarkets/chain stores. We are a supplier of anti-theft tags. If
you need a security tag, please contact us.
Source tagging is the
application of Electronic Article Surveillance (EAS) labels into products or
packaging during the manufacturing or packaging process. with the world's
largest and most comprehensive programs. Products cover all categories, from
hard goods to soft goods. Hundreds of retailers representing more than 25,000
locations receive source tagged products, and thousands of manufacturers
provide source tagged goods to these retailers.
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Frank Fu
Cobra Tech Co.,Ltd
ShunDe,FoShan,GuangDong,528300 China
Tel:+86 757-63928676
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