Proximity reader with Mifare Desfire EV1 / EV2 keypad connectivity via RS485 ATS Advanced bus, encrypted protocol. Frequency 13.56Mhz, protocols: MIFARE Classic (CSN), MIFARE DESFire (CSN), MIFARE DESFire EV1 (CSN), MIFARE DESFire EV1 (custom data), MIFARE DESFire EV1 (UTC), Mifare DESFire EV2 (CSN), Mifare DESFire EV2 (Custom data), MIFARE DESFire EV2 (UTC). IP67 IK-09. Interior Exterior. Supports secure ATS145x cards. Dimensions: 85x85x24mm.