Simple, realiable and safer solution.
The Eddystone-EID frame broadcasts an encrypted ephemeral identifier that changes periodically at a rate determined during the initial registration with a web service. The broadcast ephemeral ID can be resolved remotely by the service with which it was registered, but to other observers appears to be changing randomly. This frame type is intended for use in security and privacy-enhanced devices.
Eddystone-UID: A unique, static ID with a 10-byte Namespace component and a 6-byte Instance component.
No RFID reader needed to track and support CheckIn and CheckOut (CICO) function.
Treker beacon card are based on BLE (Bluetooth Low Energy) as standard.
Treker Beacon card uses battery and would last for one year.