Specification Model G203Network Support 4G GSMInput Voltage DC 9 36VRelay Output NO NC COMSIM Card Slot Nano SIMCertification CE FCC RoHSFeatures 1 Remote Control Allows user to open or close gates via a call or SMS with no call charges 2 Multi Level Authorization Supports up to 1001 authorized numbers for enhanced security 3 Wide Application Suitable for gates garage doors shutters barriers bollards and access machines 4 Compact Design Lightweight and easy to install system with integrated antenna for reliable performance 5 User Friendly Simple operation through relay controls and terminal connections 6 Power Range Operates efficiently within a DC power supply range of 9 36V Package Includes 1 G203 GSM Gate Controller1 4G Antenna