How to make a Grand-O-Matic GM1200 smart?

The Grand-O-Matic GM1200 is a reliable and popular garage door opener known for its exceptional performance and durability. Originating from a trusted brand, it has gained a strong reputation among customers for its smooth operation and long-lasting functionality.
Now, with the ismartgate, you can easily transform your existing Grand-O-Matic GM1200 into a smart garage door opener. The ismartgate is a cutting-edge device that seamlessly integrates with your Grand-O-Matic GM1200, allowing you to control and monitor your garage door from anywhere using your smartphone.
With the ismartgate, you no longer have to worry about whether you remembered to close your garage door or not. You can check the status of your garage door remotely and close it with just a tap on your smartphone. Additionally, the ismartgate provides you with real-time notifications, alerting you whenever your garage door is opened or closed.
Installing the ismartgate is a breeze. It is compatible with most garage door openers, including the Grand-O-Matic GM1200. Simply follow the easy-to-understand instructions, and you'll have your garage door smart-enabled in no time.
Upgrade your Grand-O-Matic GM1200 to a smart garage door opener with the ismartgate and enjoy the convenience and peace of mind that comes with remote control and monitoring. Make your life easier and make your garage smarter today!

Make your existing garage or gate opener smart

What can ismartgate garage door opener do?

Discover the amazing advantages of the ismartgate garage door opener:
- Control your garage door remotely using your smartphone.
- Monitor the status of your garage door in real-time.
- Receive instant notifications when your garage door is opened or closed.
- Grant access to family members, friends, or delivery services with temporary or permanent virtual keys.
- Integrate with voice assistants like Amazon Alexa or Google Assistant for hands-free control.
- Automate your garage door to open or close based on specific triggers, such as your GPS location or time of day.
- Securely share access to your garage with trusted individuals through the ismartgate app.
- Monitor garage temperature and humidity levels for optimal storage conditions.

How do I install an ismartgate smart garage opener to a Grand-O-Matic GM1200?

1. Get your ismartgate device here.
2. Take a look at the Grand-O-Matic GM1200 wiring diagram below.
3. Using a small cross head screw driver, connect the wires (included with the ismartgate Kit).
4. To power the ismartgate device, you can use the included wall mount AC adapter. In case don't have a power outlet you can use our DC/DC Power Converter.

Wiring, connections diagram for iSmartgate Lite, Mini, Pro - Smart Garage Door & Gate Openers

Grand-O-Matic GM1200 wiring diagram.

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Doors Supported	1	1	3
Remote Access & Door Status Alerts
Apple HomeKit
Google Assistant
Samsung SmartThings
IFTTT
Amazon Alexa*
Wireless Sensor Compatibility
Wired Sensor Compatibility
User Management
Video Integration
Visual Acoustic Alarm
Open & Close Custom Music
Wi-Fi compatibility (2.4GHz)
Ethernet Compatibility**
Web Browser Access

Which ismartgate do I need?

Which iSmartgate garage door opener do I need?

Which ismartgate do I need?

Try our simulator and find the perfect ismartgate for your home.

How many Garage Doors do you have?

DOOR 1 TYPE:

Sectional

DOOR 2 TYPE:

Sectional

DOOR 3 TYPE:

Sectional

Sensor type

Do you want wireless or wired sensor/s for your garage door/s?

Is your opener Chamberlain, Liftmaster or Craftsman?

ismartgate garage door simulator, security

Got a Chamberlain or LiftMaster Garage Door Opener with Security+2.0?

Check the color of the learn button on your garage opener. If it’s YELLOW your opener use Security+2.0 and you will need the ismartgate switch adaptor.

Door 1

Door 2

Door 3

Separation