GV-AS1520 is a controller with a built-in Radio Frequency Identification (RFID) reader of ISO18000-6C (EPC GEN2) standard. Designed for parking lot management, GV-AS1520 can read RFID tag within 10 m (32.8 ft). Built?in 1 digital input and 4 relay outputs. 1 RS-485 interface for connecting to up to 2 readers. 1 network interface for connection with GV-ASManager and TCP/IP reader. DC 12V / PoE+ (IEEE 802.3at, provides up to 25.5 W). Provide 12V DC power to external devices when in the PoE power mode. Ideal sensing range within 10 m (32.8 ft). Support for up to 100,000 cards. Electronic tag compliant with EPC Gen II (ISO18000-6C) standard.