Casi F/2F 12 Digit Magstripe

Everything you need to understand Casi F/2F 12 Digit Magstripe

Card format Overview

A proprietary 12-bit card format used in access control systems, featuring a unique structure composed of 12-bit card number, allowing for easy management and avoiding card number duplication for secure, contactless access.

Casi F/2F 12 Digit Magstripe format properties

Card Number

12 bits. A unique serial number (0-4,095) for each card within that facility code.

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The API that turns phones into key fobs.