This card allows to set a secured reading bluetooth range and track those who stand close to you within the range for how long and mark the ID indoors and trace those exposed easily if unluckily confirmed infected. It supports to give alarm as well if any

OEM/ODM Dual Interface Fingerprint Card; Biomatch Authentic Card with FP database; Display E-paper Interact Card; Bluetooth Smart Card with Anti-theft/hack; Contact & Contacless Interface IoT Card.

All your cards should be combined in one. A digital smart multi-card enjoys all the advantages of mobile payment or blockchain or digital convenience. Based on many years of RFID experience and invented PCB OEM/ODM card lamination.

Standard Apple iBeacon protocol combined with BLE finding protocol-to achieve indoor locaiton and interaction between your phone and wallet.