Overview:
Take control of your access points with the Centsys G-Ultra – a smart, mobile-network-connected access control solution. Designed to remotely manage gates, garage doors, lighting, and more, this compact unit supports up to 1500 users and sends real-time alerts for complete peace of mind. Whether for home, business, or industrial use, it’s built for reliability and ease of use.
Why Choose the G-Ultra?
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Control devices remotely via SMS or smartphone app 
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Quick setup using the free Centsys app (available on iOS and Android) 
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Supports a large database of up to 1500 unique users 
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Simple, DIY-friendly installation – no need for networking skills 
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Instant notifications for access activity, input/output events, or power loss 
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Secure PIN-based access control with a complete log of activity 
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Works over GSM/3G/4G – no Wi-Fi or fixed internet required 
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Centralized management of multiple sites through G-Web dashboard 
Compatible Applications:
The G-Ultra features 4 programmable outputs, giving you the flexibility to operate:
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Sliding or swing driveway gates 
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Roller or sectional garage doors 
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Boom gates and entry barriers 
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Pedestrian access control systems 
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Security alarm systems 
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Outdoor and indoor lighting setups 
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Irrigation and water pump systems 
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Electric or magnetic locking mechanisms 
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Any other low-voltage device (up to 3A) 
Technical Details:
| Feature | Specification | 
|---|---|
| Max Users | 1500 | 
| Input Terminals | 4 (configurable, Normally Open/Closed) | 
| Output Channels | 4 relay outputs (3A max load per output) | 
| Connectivity | GSM, 3G, 4G LTE | 
| SIM Compatibility | Micro SIM with SMS & data capability | 
| Mobile App | Centsys G-Remote (iOS & Android) | 
| Voltage Input | 11V–24V DC | 
| Power Use (Idle) | Approx. 70mA | 
| Power Use (Max) | Approx. 250mA | 
| Event Log Capacity | 1000 recorded events | 
| Antenna | External antenna included | 
| Housing | IP55 weather-resistant enclosure | 
| Temperature Range | -20°C to +50°C | 
| Mounting Type | Wall-mountable | 


 
                                    
                     
                                    
                     
                                    
                     
                                    
                    


 
				

 
					 
                                    
                     
                                    
                    

 
				
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