Size Name:Large EMF protective sheeting for your security devices, shielding your credit or debit cards. Shielding: RF & LF electric fields Frequency range: 0.1MHz to 20GHz (dB): >50dB Ohm:≤ 0.01 If you need more continuous meters or check the shipping cost or need other type samples pls kindly tell us and we'll do our best to meet your needs.
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