The TATONKA Sleeve RFID B Set - Assorted are credit card sleeves with integrated and TÜV-certified RFID read protection. With PFC/PFAS-free finish. Supplied in an assorted color set of 2. Additional information: Tatonka processes a CRYPTALLOY® film in all its RFID block products. This offers maximum shielding in all relevant RFID frequency ranges (from 100 kHz to 4 GHz, i.e. low frequency range, high frequency range and ultra-high frequency range). The protective film also interferes with radio traffic by shifting The frequency. The functionality of The CRYPTALLOY® film has been tested and certified by TÜV Saarland. The manufacturer of The film, Kryptronic Technologies Munich, has confirmed and certified The prescribed processing of The film in all RFID block products at Tatonka.
