Features: 1. No call charges. The 4GLTE gate opener responds to incoming calls from authorized numbers and performs the ON/OFF action upon the first ring. 2. Modern and convenient operation allows for remote gate control without traditional methods. 3. Suitable for multiple applications including gates, bollards, barriers, garage doors, shutters, access doors, and machinery. 4. Secure access control using caller ID; unauthorized callers are automatically ignored. No need to distribute physical remote controls. 5. Operable from any location with no distance limitation. Add or remove authorized users via SMS. Specifications: - Rated Voltage: 12VDC 1A - Working Temperature: -10C to +60C - Storage Temperature: -20C to +60C - Relative Humidity: 1090% (non-condensing) - 4GLTE Frequency Bands: B1, B3, B5, B8 - Output Relay Voltage Rating: 6A/240V AC - Supports up to 999 authorized phone numbers - Two digital inputs for connecting door sensors, motion sensors, or other security sensors. Triggers SMS alerts and activates siren when activated. - One relay output (6A/240VAC) for connecting to door switches or machinery. - Relay activation can send SMS confirmation to the owner; this feature is user-configurable. - Designed for 4GLTE network connectivity, enabling broad application use. - Material: Metal - Color: Blue Package Contents: 1 x GSM Gate Opener Note: Light reflection and display settings may cause slight color variations between the product image and the actual item. Measurement error is +/- 13 cm.