Technical information on the SSG Access card can be found here
ISO CR80 The card is made from PETG with a PVC coating
EM4200
RFID LF: Low-frequency, 125kHz, EM4200 (Microelectronic-Marin)
Besides this standard, we also support these manufacturers’ interpretations of EM4200:
RFID HF: High-frequency: 13.56MHz, MIFARE S50 (MIFARE Classic)
Magstrip: HiCo 2750oe
Contains the seven-digit number printed on the card