Features: 1. No call charges. The 4GLTE gate opener responds to calls from authorized numbers and performs ON/OFF actions upon the first ring. 2. Door control method allows operation by initiating a simple call. 3. Suitable for multiple applications including gates, bollards, barriers, garage doors, shutters, access doors, and machines. 4. Secure operation using caller ID; unknown callers are ignored. No need to distribute remote controls to users. 5. Operable from any location without distance limitations. Add or remove 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: B1, B3, B5, B8 - Output Relay Contact Rating: 6A/240V AC - Supports up to 999 authorized phone numbers - Equipped with two digital inputs for door sensors, motion sensors, or other sensors; triggers SMS alert and siren activation when activated - One relay output (6A/240VAC) for connecting to door switches or machine controls - Relay action can send SMS confirmation to the owner; user-configurable function - Operates on 4GLTE network for wide application compatibility - Material: Metal - Color: Blue Package Contents: 1 x GSM Gate Opener