2G GSM Gate Opener Automatic Relay Switch - Remote SMS Electric Access Control (IP30)

Overview: This GSM/2G-controlled gate opener lets you operate gates, garage doors and other equipment from anywhere. The module’s internal clock can be set to send you an SMS each time the unit powers on. Parameters and settings are changed remotely via SMS for simple, distance‑independent control. Durability & protection: The unit features a metal housing that is safely isolated from the system and carries an IP30 rating, making it well suited for industrial control environments. It also uses a wide working voltage design, supports DC power supply, and includes anti-reverse polarity protection. Key uses: Remotely open/close swing and sliding doors, shutters, garage doors and locks. Common applications include residential access (doors, garage access control, appliance control such as electronic fans, microwave ovens and air conditioning), industrial remote switching (street lamps, solar systems, motors, frequency converters, PLCs, water pumps, fans), agricultural pump control, and commercial installations (remote electronic boxes, illuminated billboards, LED signs). Specifications: - Item Type: Door Opener - GSM frequency: 850/900/1800/1900MHz - Power consumption: 50mA (maximum) - GSM antenna: 50 SMA antenna interface - Working temperature: -20-60℃/-4-140 - Relative humidity: 10-90% - Material: plastic - Dimensions: 9x7x2.7 cm / 3.5x2.7x1.06 inches Notes: Uses GSM/2G network communication so operation is not limited by distance. The metal housing and isolation make it particularly appropriate for industrial control applications while SMS setup keeps operation straightforward for field and residential deployments.