GSM Gate Opener and Relay Switch – Secure, Convenient, and Cost Control Key Benefits: Enhanced Security: Easily identify and block unauthorized callers using caller ID. Add or remove authorized users remotely via SMS text command. No need for physical remote controls or separate access buttons. Zero Call Charges: Operates without call costs. The GSM relay switch receives a call from an authorized number and activates an on/off function instantly on the first ring. Compatible with standard 2G SIM cards. Broad Compatibility: Ideal for controlling and securing doors, elevators, garage gates, parking lots, resort access points, control rooms, warehouses, unmanned machine rooms, telecom equipment locations, lighting subframes, base stations, traffic control systems, and electrical distribution cabinets. Durable and Professional Build: Constructed with a robust metal casing for longterm reliability. IP30 protection rating ensures safe operation in industrial environments. Internal system and housing are electrically isolated for additional safety. Compact design supports wall mounting for spaceefficient installation. Function and Performance: Remote access function via GSM network for greater flexibility and control. Eliminates the need for manual operation or onsite personnel for door or equipment access. Stable and efficient switching performance, suitable for demand operational environments. Material and Size: Solid metal casing for enhanced strength and protection. Small size for easy installation in various locations, wallmountable for convenience. Example Applications: 1. Securely control access to a gated property or industrial facility without the need for extra key fobs or remotes. 2. Manage equipment power in an unmanned machine room simply by authorized phone call. 3. Operate remote lighting systems at a telecommunications base station instantly from miles away. This GSM gate opener and relay switch delivers reliable, costeffective, and userfriendly remote control for both residential and industrial settings, combining robust construction with versatile functionality.