Basement, cottage and garage · Chamberlain

Chamberlain myQ G0401 smart garage controller

A retrofit hub and door sensor that add app status, alerts and remote operation to many compatible garage-door openers made after 1993.

View the exact Amazon.ca listing →Check before buying

ASIN B08GD3D9YJ verified on Amazon.ca on August 30, 2026. Price, seller and stock can change.

Short answer

A practical retrofit when the existing opener passes Chamberlain’s compatibility check and its safety sensors work correctly.

How it works

What happens after installation

01
The tilt sensor reports whether the garage door is open or closed.
02
The hub sends commands to the compatible opener.
03
The app provides alerts, status and remote control.

Decision facts

The specifications that change the choice

Retrofit: Works with many openers made after 1993
Included: Hub and one door sensor
Use: Status, alerts and remote open/close
Requirement: Working photoelectric safety sensors

Good fit

This product makes sense if…

Someone who regularly wonders whether the garage was left open.
A compatible opener that does not need mechanical replacement.
Package, family or contractor access managed through the app.

Before ordering

Check these points at home

Use Chamberlain’s exact opener compatibility tool first.
Test the obstruction sensors and automatic reverse.
Confirm strong 2.4 GHz Wi-Fi inside the garage.

Ownership

What ownership requires after purchase

Test door status and reversal monthly.
Review shared users and revoke access that is no longer needed.

FAQ

Common questions before buying

Is this product a good fit for a Canadian home?

A practical retrofit when the existing opener passes Chamberlain’s compatibility check and its safety sensors work correctly.

What should I check before buying it?

Use Chamberlain’s exact opener compatibility tool first. Test the obstruction sensors and automatic reverse. Confirm strong 2.4 GHz Wi-Fi inside the garage.

What upkeep should I plan after buying it?

Test door status and reversal monthly. Review shared users and revoke access that is no longer needed.