The proximity reader on the B942 keypad supports EM4102 (125 kHz) credentials.
Note: Not all RFID cards are the same. Bosch recommends using one of the the following 26 bit EM4102 (125 kHz) credentials:
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ACA-ATR13: Token
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ACD-ATR11: ISOCard
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ACD-ATR14CS: Clamshell Card
Access control, Proximity Reader, Credential