Features: 1. No call charges. The 4G LTE gate opener rejects the call from an authorized number and executes the ON/OFF action on the first ring. 2. Modern door operation method convenient and efficient remote control via mobile network. 3. Multiple applications including gates, bollards, barriers, garage doors, shutters, access doors, or machines. 4. Secure operation using caller ID identification; unknown callers are ignored. No need to distribute physical remote controls to different users. 5. Operable from any location with no distance limitation; add or remove authorized users via SMS. Specifications: - Rated Voltage: 12V DC, 1 A - Working Temperature: -10C to +60C - Storage Temperature: -20C to +60C - Relative Humidity: 1090%, non-condensing - 4G LTE Frequency Bands: B1, B3, B5, B8 - Output Relay Contact Rating: 6A / 240V AC - Supports up to 999 authorized phone numbers - Two digital inputs for door sensors, motion sensors, or other detection devices; triggers SMS alert and siren activation when alarm condition is detected - One relay output (6A / 240V AC) for connecting to door switches or machine controls - Relay activation sends SMS confirmation to owner (user-configurable function) - Built on 4G LTE network technology for reliable connectivity across various applications - Material: Metal - Color: Blue Package Contents: 1 x GSM Gate Opener (Note: Other items not included) Note: Lighting and display settings may cause slight color variations between the product and images. Allow a measurement tolerance of +/- 13 cm due to manual measurement.