Features: 1. No call charges. The 4G LTE gate opener rejects calls from unauthorized numbers and executes ON/OFF commands upon the first ring from an authorized number. 2. Operate the gate by shaking your smartphone—replacing traditional methods with intuitive motion control. 3. Versatile applications: suitable for gates, bollards, barriers, garage doors, shutters, access doors, and industrial machinery. 4. Secure access control using caller ID verification; unknown callers are automatically ignored. No physical remote controls required for user access management. 5. Remote operation from anywhere without distance limitations. Add or remove authorized users via SMS. Specifications: Rated Voltage: 12 VDC, 1 A Operating Temperature: -10°C to +60°C Storage Temperature: -20°C to +60°C Relative Humidity: 10–90%, non-condensing 4G LTE Frequency Bands: B1, B3, B5, B8 Output Relay Rating: 6 A / 240 V AC Up to 999 authorized phone numbers can be configured. Two digital inputs for door sensors, motion sensors, or other safety devices—triggering SMS alerts and siren activation when activated. One relay output (6 A / 240 V AC) for connecting to door or machine control switches. Relay activation sends an SMS confirmation to the owner; this feature is user-configurable. Designed for reliable operation over 4G LTE networks across diverse applications. Material: Metal Color: Blue Package Contents: 1 x GSM Gate Opener Note: Slight color variation may occur due to lighting conditions and display settings. Measurement tolerance: ±1–3 cm.