EM clamshell proximity card

Description EM clamshell proximity card

Clamshell contactless card of Em Marine standard is intended for identification in access control and time attendance control systems. The Em Marine card has a 64-bit memory, designed for non-rewriting, and can transmit the identification code an unlimited number of times. The card works in conjunction with the Em Marine readers at a frequency of 125 kHz, has standard dimensions and thickness of 1.8 mm, and is also protected from dust and moisture.