Enhance your access control and remote management capabilities with this advanced 4G/GSM Gate Controller G203, designed to support up to 1001 authorized users for secure and efficient device control. Compatible with a wide range of global 4G, 3G, and 2G frequency bands, this gate controller allows users to remotely operate connected devices such as gate controllers, garage doors, swing doors, folding doors, and parking systems via SMS commands or phone calls, with instant feedback sent directly to users for real-time status updates. Key Features: · Extensive User Capacity: Supports up to 1001 authorized users, enabling large-scale access control management suitable for industrial and commercial applications. · Wide Global 4G Band Compatibility: Fully compatible with multiple global LTE bands (FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B66; TDD: B38/B40/B41) allowing use of any worldwide 4G/3G/2G SIM card for versatile deployment anywhere. · Remote Control via SMS and Calls: Easily control connected devices remotely by sending SMS commands or making phone calls, with control results automatically notified back to users via SMS for reliable operation monitoring. · Broad Application Range: Ideal for access control systems including garage doors, swing doors, folding doors, parking management, and other electric equipment requiring remote activation and monitoring. · Robust Power Input Range: Supports a wide DC voltage input from 9V to 36V with anti-reverse polarity protection to safeguard the controller in various industrial environments. · Secure System Isolation: Designed with secure isolation technology, ensuring safe and stable operation in diverse industrial control scenarios. · Callny Control App Support: Compatible with the Callny phone control application for convenient app-based device management. · Fast Firmware Updates: Supports remote software updates within 10 seconds when IMEI code is provided, guaranteeing up-to-date functionality without manual intervention. · Durable and Compact Design: Constructed with high-quality ABS material in a sleek black finish, measures 9.7 x 5 x 3.2 cm, and features a 50 Ω SMA antenna for improved wireless signal reception. · Reliable Relay Output: Equipped with relay ports capable of handling up to 5A at 250VAC, 7A at 125VAC, and 20A at 14VDC, suitable for various connected electric loads. · User Authorization Flexibility: Supports ordinary user authorization and provides detailed SMS feedback on remote control results such as door open/close status. Specifications: · Item: 4G/GSM G203 Gate Controller · Material: ABS · Color: Black · Rated Voltage: DC 9V~36V/1A · Working Temperature: -10℃ to +60℃ · Storage Temperature: -20℃ to +60℃ · Relative Humidity: 10-90%, no condensation · Work Frequency Bands: Supports multiple global bands including B1, B2, B3, B4, B5, B7, B8, B12, B13, B17, B18, B19, B20, B25, B26, B28, B38, B40, B41, B66 · Antenna: 50 Ω SMA · Size: 9.7 x 5 x 3.2 cm · Relay Contact Capacity: 5A at 250VAC (Cosφ=1), 7A at 125VAC, 20A at 14VDC Package Includes: · 1 x 4G/GSM G203 Gate Controller This 4G/GSM Gate Controller is a powerful and flexible solution for remote access control. Its wide compatibility with global 4G bands and large authorized user support make it ideal for industrial and commercial applications. With secure, reliable communication and comprehensive control features via SMS, calls, or app, it ensures efficient and convenient management of doors and electric devices, offering unparalleled convenience and security.