G-ULTRA – The ultimate GSM solution
$1.00
With the G-ULTRA, your entire world fits into the palm of your hand, giving you complete control at your fingertips. This is the evolution of GSM technology, designed to offer you the ultimate flexible, mobile-based access control and monitoring solution and allowing you to transcend archaic notions of what GSM can achieve.
Unbridled. Unchained. Unmatched. Ultra.
Main features:
- Monitor up to four electrical devices by receiving push notifications
- Use the outputs to control up to six devices from your phone (two additional onboard relays)
- Intelligent monitoring of CENTSYS gate motors’ status outputs (for example gate opening, gate left open, etc.)
- Suitable for a wide variety of access automation applications
- Time-barring and visitor control – ideal for B & Bs and guesthouses
- LCD screen for easy access to diagnostics
- Instant activation via G-REMOTE mobile app
- Easy setup via G-WEB PLUS online interface
Devices that can be monitored via the inputs
- House alarm: activated
- Electric fence: alarm triggered
- Geyser status: On/Off
- Mains power: On/Off
- Fridge aboard your boat: On/Off
- Borehole pump status: Running/Off
- Water reservoir: Full/Empty
- Entrance gate status: Open/Pedestrian
Devices that can be controlled via the outputs
- Automated entrance gates
- Geysers
- Appliances, e.g. the fridge aboard your boat
- Air conditioners
- Borehole pumps
- Lighting systems
- Irrigation and water features
- Alarm systems
| TECHNICAL SPECIFICATIONS | G-ULTRA | |
|---|---|---|
| Supply Voltage Range | 11-24VDC | |
| Maximum Current Draw | 300mA @ 12VDC | |
| Input / Output Current Rating | 50mA (Open Collector) | |
| Relay Contact Current Rating | 1A, 30V AC/DC (Resistive) | |
| Input Sense Voltage Range | 0-24VDC (0-1.6V Low Input State, 5V-24V High Input State) | |
| SIM Card | Please note: An activated SIM-card is required to operate this device; however, this unit is not sold with a SIM-card supplied, and you will therefore need to purchase one in order to make use of the device’s GSM functionality. Furthermore, the type of SIM to use, either micro or nano, will be determined by which generation your device is. | |
| Number of configurable Input / Output Channels | 4 | |
| Number of Relays | 2 | |
| Memory Capacity | • 1500 Access numbers • 5000 Event logs • 20 Access Profiles • 1 Custom Welcoming SMS Message for New Access Numbers • 20 Custom Output Activation SMS Messages (From User to Device) • 30 Custom Input Notification SMS/Email Messages (From Device to User) • 100 Visitor Time-barring Windows (Windows are the periods between two dates) • 30 Generic Time-barring Windows (Windows are weekly recurring) • 10 Output Activation Schedules (Schedules are weekly recurring) • 3 Daylight Saving Periods • 4 Input to Output Mapping Configurations | |
| Model Options | GSM 2G: 850/900/1800/1900MHz (EDGE) GSM 3G: 900/2100MHz (EDGE) 900/2100MHz (UMTS) GSM 3G PENTA: 800/850/900/1900/2100MHz (UMTS) GSM 4G/LTE-CAT1: 900/2100MHz | |
| Degree of protection | IP40 |
1. May not be used in devices other than G-ULTRA.
2. Remains the property of CENTSYS.
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Wireless convenience is the name of the game. Gone are the days of complicated wiring – MyCentsys Pro connects seamlessly with your opener, making setup a breeze.
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Download MyCentsys Pro today – it’s free and puts the power of SMART in your pocket!

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