ELEVATOR SHAFT ROOF FLOOR 10 FLOOR 9 FLOOR 8 FLOOR 7 FLOOR 6 FLOOR 5 FLOOR 4 FLOOR 3 FLOOR 2 LOBBY E-BOX MASTER INTERNET Cloud 1 Master at top of shaft 220V power + internet cable LoRa Radio Signal RFID RFID RFID RFID RFID RFID RFID RFID RFID RFID 10 RFID Tags one per floor 3 ELEVATOR CAR E-BOX SLAVE READER IO Cable (red) 2 Slave on cabin top 220V power 4 RFID Reader on cabin Reads tags as cabin moves Waiting for elevator W3 S100 N5 WiFi CURRENT FLOOR L IDLE E-Box Master E-Box Slave RFID Tags RFID Reader IO Wiring