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:
- ACA-ATR13: Token
- ACD-ATR11: ISOCard
- ACD-ATR14CS: Clamshell Card

Access control, Proximity Reader, Credential