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821LMB - LiftMaster MyQ Universal Retrofit Garage Door Controller

821LMB - LiftMaster MyQ Universal Retrofit Garage Door Controller
821LMB - LiftMaster MyQ Universal Retrofit Garage Door Controller
Item# 821LMB

Average Customer Rating:
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List Price: $72.21
Your Price: $48.14
Availability: In Stock
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LiftMaster 821LMB Product Description:


The LiftMaster® 821LMB MyQ® Smart Garage Hub is a universal smartphone garage door controller that is compatible with most opener brands. Imagine receiving an alert if you left your garage open. Or being able to turn on your lights when you're not home. The LiftMaster 821LMB smart garage hub lets you monitor, open and close your garage door from anywhere and control home lighting all from your smartphone, tablet or computer.

Easily add the 821LMB MyQ smartphone control to virtually all other garage door openers in North America that have safety photo eyes. The LiftMaster 821LMB is an garage door retrofit for interative capabilities. Using the 821LMB, and the compatible app you can now remotely control your garage door from anywhere. The MyQ Smart Garage Hub is compatible with most garage door opener brands manufactured after 1993.

The 821LMB contents include; (1) WiFi Hub, (1) Door Sensor (additional sensor sold separately as 821LMB-2SENSOR), (1) Power Adapter, (1) Installation Manual, (1) Set of Mounting Hardware.

Product Features:

  • MyQ Technology: enables you to securely monitor and control most garage door opener brands, along with home lighting, with your smartphone, tablet or computer.
  • Alerts: can be received as email or pop-up (push) notifications on your mobile device so that you always know the status of your garage door and home lighting.
  • Controls up to two garage doors: at once (requires extra door sensor, sold separately 821LMB-2SENSOR) and up to 16 MyQ-Enabled devices.
  • WiFi Hub: mounts near garage door opener and plugs into outlet. The hub wirelessly communicates with the garage door opener over your home's WiFi.
  • MyQ Radio: Provides 2-way communication from garage door opener and MyQ Accessories. Enables monitoring and control of garage door openers and lighting controls via smartphone, tablet or computer.
  • Amazon In-Garage Delivery: Enables secure in-garage delivery for Amazon Prime packages. Eligible Prime Members simply download the Key by Amazon App and link it to your myQ account.
  • Compatible App Platforms: Alarm.com, Amazon, Apple® HomeKit™, Clare Controls, Resideo, IFTTT, Tend, Wink, Xfinity®

LiftMaster 821LMB Product Specifications:


  • Dimensions (WiFi Hub): 4.5" L x 4.5" W x 1" H
  • Dimensions (Door Sensor): 2.25" L x 2.75" W x 0.75" H
  • WiFi Hub: Wirelessly Communicates with the Garage Door Opener via 900 MHz MyQ. Mounts Near the Garage Door Opener and Plugs into an Outlet.
  • WiFi Network: 2.4 GHz, IEEE 802.11 b/g/n, Security: WPA2, WPA and WEP
  • MyQ Radio: 902-928 MHZ Frequency Hopping Spread Spectrum
  • Door Sensor Mounting: on the Garage Door
  • Warranty: 1 Year

LiftMaster 821LMB Product Compatibility:


•Genie® Intellicode® (315, 390 MHz)
•Linear® MegaCode® (318 MHz)
•Stanley® SecureCode® (310 MHz)
•Overhead Door® CodeDodger® (Intellicode 315, 390 MHz)
•Wayne Dalton® KeeLoq® (372.5 MHz)
•Craftsman® (310, 315, 390, 433.30, 433.92, 434.54 MHz)
•Chamberlain® (310, 315, 390, 433.30, 433.92, 434.54 MHz)
•LiftMaster® (310, 315, 390, 433.30, 433.92, 434.54 MHz)
•Raynor® (310, 315, 390, 433.30, 433.92, 434.54 MHz)

LiftMaster 821LMB Tools Needed:


•Drill
•5/32"Drill Bit
•Screwdriver
•Ladder

Product Reviews

Other customers rated this item:
4.5 out of 5 stars
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  Easy and Very Smart,
Posted By:

The garage door opener is really easy to use and tracks the garage door for you, no more getting out of my bed to check if I left it open or driving back home and wasting gas. It is a very smart product.

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  Easy to program!,
Posted By:
1 people found this review helpful

We have lived in our home for 3 years and the garage door openers have NEVER worked properly! I purchased two of these. I was able to program both of them in minutes and they work perfectly!! I love that they can go on my key ring and are small and never get in the way.



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  Easy to install and use.,
Posted By:
1 people found this review helpful

Works very well. The pairing to the garage opener was very easy. I used to turn around and check, but now, I just look at my phone. Plus, it let's you know whenever your garage door is open which is nice when you have people coming in and out of your house.

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  Easy to program, works great,
Posted By:

This remote was a perfect replacement for our old garage door opener. The instructions were clear and it was simple to program.

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  I like this product as I never have to worry about ,
Posted By:

I like this product as it is good idea to monitor the garage door remotely. It could help people not to worry about not leaving the garage door open. This unit and app completed our home safety package nicely! I'd buy it again in a heartbeat!

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  Peace of mind and easy to use,
Posted By:
2 people found this review helpful

I like this product as it is good idea to monitor the garage door remotely. It could help people not to worry about not leaving the garage door open.Alerts me every time my garage door opens and I can check on it during the day, and close it if need.Definite sense of security for me.Very happy with my purchase.

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  Useful Device ,
Posted By:

I really like this device it works well with my older opener. Phone app has useful controls and alerts, letting me know if the door is up or down, left up for an extended period. It was easy to connect and has a good range to connect to the router.

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