Features: 1. No call charges. The 4GLTE gate opener responds to incoming calls from authorized numbers and executes ON/OFF actions upon the first ring. 2. Enables convenient remote operation without traditional door opening methods. 3. Suitable for multiple applications including gates, bollards, barriers, garage doors, shutters, access doors, and machinery. 4. Secure operation using caller ID verification; unauthorized callers are ignored. No need to distribute remote controls to individual users. 5. Operable from any location with no distance limitations. Add or remove authorized users via SMS commands. Specifications: - Rated Voltage: 12VDC, 1A - Working Temperature: -10°C to +60°C - Storage Temperature: -20°C to +60°C - Relative Humidity: 10–90%, non-condensing - 4GLTE Frequency Bands: B1, B3, B5, B8 - Output Relay Contact Rating: 6A/240V AC - Supports up to 999 authorized phone numbers - Two digital inputs for connecting door sensors, motion sensors, or other security devices. Triggers SMS alerts and activates siren when activated. - One relay output (6A/240VAC) for connecting to door switches or machine controls - Relay activation can send SMS confirmation to owner (user-configurable function) - Operates on 4GLTE network for wide compatibility across various applications - Material: Metal - Color: Blue Package Contents: 1 x GSM Gate Opener