This KRYPTO Bluetooth reader is compatible with the ATRIUM BT mobile application and the KRYPTO Mobile-PASS. The K2 works with the secure protocol of CDVI, the encryption keys guarantee end-to-end encryption between the credential, the reader and the A22K door controller.Main FeaturesCompatible with ATRIUM A22K controllerReads KRYPTO Mobile-PASS, 13.56 MHz Mifare Classic and DESFire EV1/EV2 credentials
