Retractable Flap Barrier ,speed gate RS485 ,TCP/IP interface IC,ID,barcode,fingerprintcard SUS304 access controll ... Signal or Pulse Wide>100ms Pulse Signal,Current>100ms10Communication ConnectionRS485 Communication Module Standard.11MaterialSUS304,thickness is no less than 1.5mm12Running ... .Engineering Projects turnstile pedestrian barrier gate flap barrier gate with RS485 and rfid reader