Enhance your remote access control with this advanced GSM Gate Opener, designed for seamless global connectivity and versatile industrial, residential, and commercial applications. Featuring quad-band GSM 850/900/1800/1900MHz compatibility, this device operates on GSM/2G networks without any distance limitations, allowing you to control gates, doors, shutters, and various electrical appliances from anywhere via simple phone calls or SMS commands. Key Features: · Global Quad-Band GSM Compatibility: Supports 850/900/1800/1900MHz frequencies for worldwide GSM network use, ensuring reliable communication wherever you are. · Call-Free Remote Relay Control: Enables open/close operations by rejecting calls from authorized numbers and activating the relay on the first ring—no call charges incurred. · Wide Voltage Range with Protection: Operates on DC 9-24V power supply with built-in anti-reverse protection, ensuring safe and stable performance in diverse environments. · SMS Remote Configuration: Easily set and modify parameters, add or delete authorized users, and control relay timing remotely via SMS for convenient management. · Supports Up to 200 User Groups: Each group can be assigned time-specific relay control, providing flexible and secure access management. · Adjustable Relay Output Timing: Relay closing time can be customized from 0 to 999 seconds—allowing instant or prolonged activation based on your needs. · Real-Time Status Feedback: Query relay status and GSM signal strength or receive automatic status updates via SMS for enhanced monitoring. · Integrated Clock & Synchronization: Internal clock keeps accurate time, with automatic SMS synchronization after each boot for precise operation scheduling. · Durable Metal Housing with IP30 Protection: Robust metal case provides safe isolation from electrical interference, ideal for industrial and harsh environments. · Compact Size & Easy Installation: Measuring approximately 90 x 70 x 27mm (3.5 x 2.8 x 1.1 inches), the device supports wall mounting and requires no complex tools for setup. · Wide Application Range: Perfect for remote control of swing/sliding gates, garage doors, streetlights, motors, pumps, LED signs, inverters, and more across residential, industrial, agricultural, and business settings. Specifications: · Item Type: GSM Gate Opener · Material: Metal · Color: As shown in product images · Size (L x W x H): Approx. 90 x 70 x 27mm (3.5 x 2.8 x 1.1 in) · Working Voltage: DC 12V/1.5A (Range 9-24V DC) · Standby Power Consumption: 12V/25mA · Maximum Working Power Consumption: 12V/50mA · GSM Frequency: Quad-Band 850/900/1800/1900MHz · SIM Card Interface: Supports 3V SIM Card · External Antenna Interface: SMA, 50 Ohm · Relay Output: 1 Relay, Rated 3A/220V AC, 7A/125V AC, 20A/14V DC · Operating Temperature: -20°C to +60°C · Operating Humidity: Up to 95% Relative Humidity (non-condensing) Package Includes: · 1 x GSM Gate Opener This reliable GSM Gate Opener combines advanced communication technology with robust construction to deliver secure and convenient remote control solutions for a wide array of access control and automation applications. Its flexible settings, extensive user support, and durable design make it an indispensable device for modern remote system management.