High frequency inlay for card 1, used in contactless card and RFID label 2, format: 2* ... 4, 2*5, 5*5, 3*8 3, thickness: 0.45mm High frequency inlay for card Features: Working Frequency ... 52±0.02mm (W/B), etc.Antenna: Cooper Antenna.User EnvironmentOperating temperature:-20 degree Celsius to ... Time: 10 years.Application: smart card, RFID card, contactless card, contact-free card, ...