Invotech Acoustic Magnetic or AM Tags are made of a ferrite coil that cannot be deactivated unlike competitor tags that have a thin strip of amorphous metal film and a strip of ferromagnetic material. Invotech tags are manufactured to a high quality with the persistent shoplifter in mind. All our range of AM tags are compatible with major 58 KHz systems and detachers

If you are unsure about the frequency of your tags or the compatibility with your system, please contact us and we can advise