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 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 automatically ignored. No need to distribute remote controls to users. 5. Operable from any location with no distance limitation. 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 connecting door sensors, motion sensors, or other security devices. Triggers immediate SMS alert and siren activation when triggered - One relay output (6A/240VAC) for connection to door switches or machine controls - Relay activation can send SMS confirmation to the owner (user-configurable) - Operates on 4GLTE network for wide compatibility and reliable connectivity Material: Metal Color: Blue Package Contents: 1 x GSM Gate Opener