Features: 1. No call charges. The 4GLTE gate opener responds to incoming calls from authorized numbers and performs the open/close action upon the first ring. 2. Enables remote operation of gates without traditional methods; door activation is performed remotely via phone call. 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 physical remote controls. 5. Operable from any location with no distance limitations; add or remove authorized users via SMS. 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 connection to door sensors, motion sensors, or other security devices; triggers SMS alert and siren activation when alarm condition is detected - One relay output (6A/240VAC) for connecting to door switches or machine controls - Relay operation can send SMS confirmation to the owner; this feature is user-configurable - Designed for 4GLTE network connectivity for wide compatibility and reliable performance - Housing Material: Metal - Color: Blue Package Contents: 1 x GSM Gate Opener