What frequencies will the ArmorShield® block the RFID transmission?

ArmorShield® material is designed to shield ISO 14443 A/B and EPC Gen1/Gen2 contactless smart cards. This encompasses any contactless card that operates at 13.56 Mhz and above. This material will not shield the older 125khz proximity cards. On cards that include a secondary 125 khz antenna added for backward compatibility, only the newer 13.56 Mhz interface is shielded. The 13.56 Mhz interface is generally the only one with personal data.

What frequencies will the ArmorShield® block the RFID transmission?