... sensor 1 and cableC), Equipments for RFID a, Box for entry b, Control board c, ID reader d, card machine e, Vehicle ... and cable 1 setC), Equipments for RFID a, Box for exit b, Control board c, ID reader d: power e: transformer power ... the distance of card reader can achieve 5-15CMApplying to community and goverment department short range 3-15cm RFID economic car parking ...