... top choice for open and mass flow RFID applications, such as: Library Entrance Control, Access Control, Asset management, Attendance, etc. ... Range1-3 metersInterfaceRS232,RS485,RJ45(TCP/IP) network interface, etc.Work modeFHSS or Fix Frequency transmissionPower supply ... Top choice for open mass flow RFID applications, such as: Library Entrance Control, Access Control, Process Control, etc. ABS/Metal ...